65 Idioms for Cheating

Cheating means breaking rules to get an unfair gain. A student may copy answers in class. A player may trick others in a game. A worker may lie to win money. Cheating hurts trust. It can cause problems at school, at home, and at work. People feel sad or angry when they are tricked. That is why we talk about cheating in a clear way.

Idioms are special phrases. They do not always mean what the words say. Some idioms are used to talk about cheating. These phrases help us explain actions in a simple way. When children learn these idioms, they understand how words can show right and wrong. Learning them also helps students speak and read better.

1. Cheat on a test

Meaning: To copy answers or use notes in a test.
To Provide an Example: Tom looked at his friend’s paper during a math test in Texas. Mia hid notes in her desk in a school in Ohio. A boy in Florida used his phone to find answers.
Alternative Meaning: It can also mean not playing fair in a game. A child in New York moved his game piece when no one looked. A girl in California changed the score in her favor.

2. Cut corners

Meaning: To skip steps to save time or money.
To Provide an Example: A worker in Chicago used cheap paint to finish fast. A student rushed homework and left out answers. A builder skipped safety checks.
Alternative Meaning: It can mean doing a job in a poor way. A baker used less sugar to save cash. A mechanic did not check all parts.

3. Bend the rules

Meaning: To change rules a little for your gain.
To Provide an Example: A player in a school game in Nevada stepped over the line and said it was fine. A worker left early without asking. A kid kept extra change from a store.
Alternative Meaning: It can mean not fully following rules. A student used a small cheat sheet. A coach ignored a small foul.

4. Pull a fast one

Meaning: To trick someone quickly.
To Provide an Example: A boy in a mall in Georgia switched price tags. A girl told a lie to get out of chores. A teen sold a broken bike and said it worked.
Alternative Meaning: It can mean surprising someone in a tricky way. A friend changed the game rules at the last minute. A child hid the remote and blamed a sibling.

5. Get away with

Meaning: To do wrong and not get caught.
To Provide an Example: A student copied homework and the teacher did not see. A kid took a cookie before dinner and no one knew. A worker took long breaks and kept the job.
Alternative Meaning: It can mean avoiding trouble. A driver in Arizona sped but did not get a ticket. A teen skipped class and was not marked absent.

6. Cook the books

Meaning: To change numbers to hide the truth.
To Provide an Example: A store owner in New Jersey changed sales numbers. A club leader wrote false costs. A worker hid lost money in reports.
Alternative Meaning: It can mean lying about money facts. A person said they earned more than they did. A group hid extra fees from members.

7. Play dirty

Meaning: To act in an unfair way.
To Provide an Example: A soccer player in California tripped another player on purpose. A kid hid cards during a game night. A teen spread lies to win class votes.
Alternative Meaning: It can mean using bad tricks. A worker blamed others to get a raise. A child pushed in line at a park.

8. Pull the wool over someone’s eyes

Meaning: To trick someone so they do not see the truth.
To Provide an Example: A boy in Michigan lied about finishing chores. A girl said she fed the dog but did not. A seller hid a broken screen on a tablet.
Alternative Meaning: It can mean hiding facts. A friend said homework was canceled when it was not. A worker hid a mistake from a boss.

9. Two-time

Meaning: To cheat in a relationship.
To Provide an Example: A man in Texas dated two people at once. A woman hid messages from her partner. A teen said he was single but was not.
Alternative Meaning: It can mean being unfaithful. A partner lied about where they were. A spouse kept secrets about meeting someone else.

10. Stack the deck

Meaning: To set things up so you win unfairly.
To Provide an Example: A game host in Las Vegas chose easy questions for friends. A kid picked teams to help his side win. A coach gave his team extra practice time.
Alternative Meaning: It can mean making rules unfair. A boss gave only some workers bonuses. A teacher shared test hints with one group.

11. Fudge the numbers

Meaning: To change numbers a little to hide the truth.
To Provide an Example: A store worker in Ohio changed the sales total. A club leader wrote fewer costs in the report. A teen said he scored higher than he did on the SAT practice.
Alternative Meaning: It can mean not telling the full truth about money. A child said he had five dollars but had only three. A worker rounded numbers to look better.

12. Slip something past

Meaning: To do something wrong without being seen.
To Provide an Example: A student in Illinois hid a note under his test paper. A kid put candy in his pocket at a gas station. A worker sent a false form and hoped no one checked.
Alternative Meaning: It can mean hiding a small trick. A boy changed one answer after time was up. A girl added her name to a group project she did not help with.

13. Game the system

Meaning: To use rules in a sneaky way to win.
To Provide an Example: A shopper in New York used many fake emails to get coupons. A player joined a contest many times with different names. A worker used a rule gap to get extra pay.
Alternative Meaning: It can mean finding a loophole. A teen signed up twice for free samples. A student used two accounts to vote in a school poll.

14. Lie through your teeth

Meaning: To tell a clear lie without shame.
To Provide an Example: A boy in Florida said he did not break the window. A girl said she finished homework when she did not. A worker said he was sick but went to the beach.
Alternative Meaning: It can mean acting like a lie is true. A teen said he studied all night but played video games. A child blamed a pet for a mess he made.

15. Pull a scam

Meaning: To trick people to get money or goods.
To Provide an Example: A man in California sold fake concert tickets. A teen made a fake online store. A person asked for money for a fake charity.
Alternative Meaning: It can mean planning a fraud. A caller said he was from the IRS to scare people. A seller shipped empty boxes instead of phones.

16. Take someone for a ride

Meaning: To cheat someone out of money.
To Provide an Example: A car seller in Texas hid engine problems. A repair shop charged for work not done. A landlord asked for fees that were not real.
Alternative Meaning: It can mean tricking someone for gain. A teen sold a broken game console. A person charged too much for a simple fix.

17. Doctor the evidence

Meaning: To change proof so it looks different.
To Provide an Example: A worker in Georgia edited a photo to hide damage. A student changed dates on a paper. A teen erased text messages to hide the truth.
Alternative Meaning: It can mean altering facts. A person cut part of a video to mislead others. A child changed a score sheet.

18. Fake it

Meaning: To pretend to know or do something.
To Provide an Example: A student in Arizona acted like he read the book. A worker said she knew the task but did not. A teen pretended to fix a bike but left it broken.
Alternative Meaning: It can mean acting in a false way. A child smiled after losing but felt upset. A person acted rich but had no money.

19. Rig the game

Meaning: To fix a game so one side wins.
To Provide an Example: A host in Nevada gave hints to one team. A teen changed the score on a board. A coach told his team the answers before a quiz bowl.
Alternative Meaning: It can mean unfair control. A worker set rules to help his friends. A club leader chose judges who liked her.

20. Skim off the top

Meaning: To take a small amount of money secretly.
To Provide an Example: A cashier in New York kept a few dollars from each sale. A club treasurer took small fees from funds. A worker kept tips meant for the group.
Alternative Meaning: It can mean stealing a little at a time. A teen took coins from a jar at home. A person kept extra change from a store.

21. Backdoor deal

Meaning: A secret agreement that is unfair.
To Provide an Example: Two workers in Illinois made a secret plan to share profits. A seller gave a hidden discount to one buyer. A club leader made a quiet rule change.
Alternative Meaning: It can mean a deal made without others knowing. A coach picked players without open tryouts. A manager hired a friend without a fair process.

22. Throw the game

Meaning: To lose on purpose.
To Provide an Example: A player in California missed easy shots on purpose. A team did not try hard to help another team win. A teen let a friend win for money.
Alternative Meaning: It can mean acting weak on purpose. A student answered wrong to avoid hard questions. A worker slowed down to help another group.

23. Double-deal

Meaning: To cheat someone while acting fair.
To Provide an Example: A seller in Texas promised one price and charged more. A friend said she would share but kept all the snacks. A worker told two different stories to two bosses.
Alternative Meaning: It can mean lying in business. A person signed two deals with different terms. A teen promised help but did not show up.

24. Shortchange

Meaning: To give less than what is owed.
To Provide an Example: A cashier in Ohio gave back less change. A worker paid less than agreed. A child gave fewer cards in a trade.
Alternative Meaning: It can mean not giving full value. A boss paid for five hours but got eight hours of work. A seller gave a small product instead of a big one.

25. Con someone

Meaning: To trick someone for gain.
To Provide an Example: A man in Florida sold fake sports jerseys. A teen asked for money for a fake school trip. A caller said he won a prize but needed a fee.
Alternative Meaning: It can mean lying to get trust. A person said she was a bank worker to get data. A seller showed fake reviews to look honest.

26. Cheat someone out of

Meaning: To take money or goods by lying.
To Provide an Example: A man in Texas cheated a buyer out of $200 for a used phone. A teen in Ohio cheated a friend out of lunch money. A seller in California cheated a customer out of a refund.
Alternative Meaning: It can mean not giving what is fair. A boss cheated a worker out of overtime pay. A landlord cheated a renter out of a deposit.

27. Sell someone short

Meaning: To give less value than someone deserves.
To Provide an Example: A coach in Florida sold a player short by not giving him a fair chance. A teacher gave less credit than earned. A boss paid less than promised.
Alternative Meaning: It can mean not seeing true worth. A parent said a child could not win but he did. A manager did not trust a worker’s skills.

28. Pass off as

Meaning: To pretend something is real when it is not.
To Provide an Example: A teen in New York passed off fake sneakers as real ones. A seller passed off a copy as an original. A student passed off copied work as his own.
Alternative Meaning: It can mean hiding the truth. A child passed off store candy as homemade. A worker passed off old data as new.

29. Cover your tracks

Meaning: To hide proof of wrong action.
To Provide an Example: A worker in Illinois deleted emails after lying. A teen erased browser history after cheating. A student hid notes before the teacher walked in.
Alternative Meaning: It can mean trying not to get caught. A child cleaned a mess before parents came home. A driver fixed a dent before anyone saw.

30. Sweet talk

Meaning: To use nice words to trick someone.
To Provide an Example: A boy in Georgia sweet talked a friend to borrow money and not pay back. A teen used kind words to get answers to a test. A seller used charm to hide flaws in a car.
Alternative Meaning: It can mean speaking kindly for gain. A worker praised a boss to avoid blame. A child smiled and asked softly for extra screen time.

31. Low blow

Meaning: An unfair act meant to hurt or win.
To Provide an Example: A player in Nevada shared a secret to win an argument. A teen spread rumors to beat a rival. A worker blamed a coworker for his own mistake.
Alternative Meaning: It can mean a harsh unfair move. A child teased about family to win a fight. A person used private facts to shame another.

32. Bait and switch

Meaning: To show one thing but give another.
To Provide an Example: A store in California showed a cheap TV but sold a higher priced one. A seller in Texas posted one photo and shipped a different item. A teen promised a new game but gave an old one.
Alternative Meaning: It can mean changing terms after a deal. A company offered a low rate but charged more later. A repair shop added hidden fees.

33. Pad the bill

Meaning: To add extra charges that are not real.
To Provide an Example: A repair shop in New York padded the bill with fake parts. A worker added hours not worked. A club leader added costs to a trip form.
Alternative Meaning: It can mean raising a total unfairly. A hotel added fees not told before. A contractor charged for tools not used.

34. Pull strings

Meaning: To use power in a sneaky way.
To Provide an Example: A parent in Florida pulled strings to get a child on a team. A boss helped a friend get hired. A coach chose a player because of family ties.
Alternative Meaning: It can mean using influence unfairly. A manager gave a job to a cousin. A leader gave prizes to close friends.

35. Paper over

Meaning: To hide a problem instead of fixing it.
To Provide an Example: A worker in Ohio papered over a crack with paint. A student covered a wrong answer with white out. A teen hid a broken screen with a case.
Alternative Meaning: It can mean pretending a problem is small. A boss ignored a money error. A child said a toy was fine when it was broken.

36. Shady deal

Meaning: A deal that seems dishonest.
To Provide an Example: A man in Arizona made a shady deal to sell fake tickets. A seller offered cash only with no receipt. A worker made a side deal without telling the boss.
Alternative Meaning: It can mean a secret unfair trade. A teen swapped items without clear terms. A neighbor sold tools that were not his.

37. Under the table

Meaning: Done in secret, often about money.
To Provide an Example: A worker in Texas was paid under the table to avoid taxes. A seller took cash without a record. A boss paid extra without telling others.
Alternative Meaning: It can mean hidden action. A player paid another to lose a match. A person gave money to skip a rule.

38. Fast and loose

Meaning: Acting without care for rules.
To Provide an Example: A teen in California played fast and loose with class rules. A worker ignored safety steps to finish early. A driver broke small traffic rules to save time.
Alternative Meaning: It can mean careless with truth. A child told half stories to avoid blame. A person changed facts to fit a story.

39. Take advantage of

Meaning: To use someone’s trust to gain.
To Provide an Example: A man in Florida took advantage of an older neighbor by charging too much. A teen used a friend’s homework without asking. A worker used a new hire to do his job.
Alternative Meaning: It can mean unfair use. A seller raised prices during a storm. A classmate used group work to avoid effort.

40. Fix the outcome

Meaning: To plan the result before it happens.
To Provide an Example: A game leader in Nevada fixed the outcome by telling answers to one team. A coach set easy drills for his side only. A worker chose judges who would vote for him.
Alternative Meaning: It can mean controlling a result unfairly. A teen changed votes in a school poll. A boss decided the winner before interviews.

41. False pretenses

Meaning: To lie about who you are or why you are there.
To Provide an Example: A man in California came under false pretenses and said he worked for the power company. A teen in Texas said he was selling for school but kept the money. A person in Florida said she was from a bank to get account info.
Alternative Meaning: It can mean hiding your real reason. A worker said he needed files for work but used them for himself. A friend said she wanted to help but just wanted answers.

42. Break faith

Meaning: To cheat someone who trusted you.
To Provide an Example: A coach in Ohio broke faith by changing team rules for his child. A friend in New York broke faith by sharing a secret. A worker broke faith by lying about hours worked.
Alternative Meaning: It can mean not keeping a promise. A teen said he would return money but did not. A partner said she would be honest but was not.

43. Sell a bill of goods

Meaning: To trick someone into believing a lie.
To Provide an Example: A seller in Nevada sold a bill of goods about a car with no problems. A teen in Illinois told a fake story to get money. A caller in Arizona said a prize was won but needed a fee.
Alternative Meaning: It can mean telling a big lie that sounds real. A worker made up skills on a job form. A friend said a trip was free when it was not.

44. Foul play

Meaning: Wrong or dishonest action.
To Provide an Example: Parents in Texas thought there was foul play when test scores changed. A coach in Florida saw foul play in a close game. A boss in New York saw foul play in money records.
Alternative Meaning: It can mean unfair acts. A child moved game pieces when no one looked. A worker changed dates on a form.

45. Act in bad faith

Meaning: To act with the plan to trick.
To Provide an Example: A landlord in California acted in bad faith by hiding fees. A seller in Ohio acted in bad faith by not telling about damage. A worker acted in bad faith by lying about a contract.
Alternative Meaning: It can mean not being honest in a deal. A teen agreed to share but kept all the reward. A partner signed a deal with no plan to follow it.

46. Pull a trick

Meaning: To do a small cheat or lie.
To Provide an Example: A boy in Georgia pulled a trick and hid extra cards. A teen in Texas pulled a trick to skip class. A worker pulled a trick to avoid blame.
Alternative Meaning: It can mean using a sneaky move. A child switched seats during a test. A friend moved a game piece when others looked away.

47. Mask the truth

Meaning: To hide what is real.
To Provide an Example: A worker in Illinois masked the truth about missing money. A teen in California masked the truth about grades. A seller in Florida masked the truth about a cracked phone.
Alternative Meaning: It can mean covering facts. A child blamed a pet for a mess. A boss hid losses in a report.

48. Lead someone on

Meaning: To make someone believe something false.
To Provide an Example: A teen in New York led someone on about a date. A seller in Texas led a buyer on about free shipping. A worker in Ohio led a client on about fast results.
Alternative Meaning: It can mean giving false hope. A friend said she would help move but did not show up. A coach said a player would start but chose someone else.

49. Work the angle

Meaning: To look for a way to cheat or gain.
To Provide an Example: A shopper in Florida worked the angle to use extra coupons. A teen in Arizona worked the angle to get two prizes. A worker in Nevada worked the angle to get paid twice.
Alternative Meaning: It can mean planning a smart but unfair move. A child looked for a rule gap in a game. A seller looked for ways to charge more.

50. Snow someone

Meaning: To confuse someone with lies.
To Provide an Example: A man in California snowed a buyer with big words about a car. A teen in Texas snowed a friend with a fake story. A worker in Ohio snowed a boss about a late project.
Alternative Meaning: It can mean making a lie sound smooth. A seller talked fast to hide faults. A child told a long story to avoid blame.

51. Fix up

Meaning: To change something to hide faults.
To Provide an Example: A seller in Florida fixed up a car to hide engine noise. A teen in New York fixed up a report to hide errors. A worker in Illinois fixed up numbers to look better.
Alternative Meaning: It can mean hiding damage. A child taped a broken toy and said it was fine. A landlord painted over water stains.

52. Cook up a story

Meaning: To make up a lie.
To Provide an Example: A boy in Texas cooked up a story about lost homework. A teen in California cooked up a story about missing money. A worker in Ohio cooked up a story about late work.
Alternative Meaning: It can mean making an excuse. A child said the dog ate his snack. A friend said traffic was bad but left late.

53. String someone along

Meaning: To keep someone waiting with false hope.
To Provide an Example: A boss in Florida strung a worker along about a raise. A teen in New York strung a friend along about paying back money. A seller in Nevada strung a buyer along about delivery.
Alternative Meaning: It can mean not telling the real plan. A partner said they would decide soon but never did. A coach kept saying “next game” with no change.

54. Short-cut the truth

Meaning: To tell part of the truth and hide the rest.
To Provide an Example: A student in Ohio short-cut the truth about a test grade. A worker in Texas short-cut the truth about a mistake. A teen in Arizona short-cut the truth about where he went.
Alternative Meaning: It can mean leaving out key facts. A seller told only the good parts of a deal. A child said he cleaned the room but hid toys in a closet.

55. Fix the books

Meaning: To change money records to cheat.
To Provide an Example: A shop owner in California fixed the books to hide lost cash. A club leader in Illinois fixed the books to keep extra money. A worker in Florida fixed the books before a check.
Alternative Meaning: It can mean changing records for gain. A person edited bills to lower taxes. A manager moved numbers to look better.

56. Sell out

Meaning: To cheat others for money or gain.
To Provide an Example: A worker in Texas sold out his team by sharing private plans. A teen in California sold out a friend for cash. A partner in Florida sold out by taking a better deal in secret.
Alternative Meaning: It can mean choosing money over trust. A player shared team plays with rivals. A worker gave secrets to another company.

57. Run a con

Meaning: To plan and carry out a trick to get money.
To Provide an Example: A man in New York ran a con by selling fake event tickets. A teen in Ohio ran a con with a fake online shop. A caller in Arizona ran a con about a prize.
Alternative Meaning: It can mean setting up a fraud. A person made a fake job post to collect fees. A seller shipped empty boxes after payment.

58. Tip the scales

Meaning: To change a result in an unfair way.
To Provide an Example: A judge in Nevada tipped the scales for a friend’s child. A coach in Florida tipped the scales by giving hints to one team. A worker in Illinois tipped the scales in a vote.
Alternative Meaning: It can mean giving unfair help. A boss chose a winner before interviews. A leader changed rules to help one side.

59. Pull a switch

Meaning: To secretly replace one thing with another.
To Provide an Example: A teen in Texas pulled a switch and returned an old item in a new box. A shopper in California pulled a switch with price tags. A child pulled a switch in a card game.
Alternative Meaning: It can mean making a hidden change. A worker swapped reports before a meeting. A seller changed items after a deal.

60. Twist the facts

Meaning: To change facts to mislead.
To Provide an Example: A worker in Ohio twisted the facts about a late job. A teen in New York twisted the facts about a fight. A seller in Florida twisted the facts about a used car.
Alternative Meaning: It can mean telling half-truths. A child blamed a friend for a shared mistake. A person told only parts that helped them.

61. Double-cross

Meaning: To cheat someone who trusts you.
To Provide an Example: A partner in Texas double-crossed a friend in a deal. A player in California double-crossed his team by sharing plans. A worker in Illinois double-crossed a boss by lying.
Alternative Meaning: It can mean turning against someone. A teen promised help but joined the other side. A friend told secrets to others.

62. Frame someone

Meaning: To blame someone who did not do it.
To Provide an Example: A teen in Florida framed a classmate for missing money. A worker in Ohio framed a coworker for an error. A child in Arizona framed a sibling for a broken lamp.
Alternative Meaning: It can mean setting up false proof. A person placed items in another’s bag. A worker changed files to point to someone else.

63. Pay off

Meaning: To give money to stop trouble or change a result.
To Provide an Example: A player in Nevada paid off someone to lose a match. A worker in California paid off an inspector. A driver in Texas tried to pay off a guard.
Alternative Meaning: It can mean giving money for silence. A person paid someone not to share facts. A seller paid for fake good reviews.

64. Pass the buck

Meaning: To blame someone else for your wrong.
To Provide an Example: A worker in New York passed the buck for a missed deadline. A teen in Ohio passed the buck for a broken window. A child in Florida passed the buck in a group project.
Alternative Meaning: It can mean avoiding blame. A boss blamed a team for his choice. A friend blamed others for a lost game.

65. Throw someone under the bus

Meaning: To harm someone else to save yourself.
To Provide an Example: A worker in Texas threw a coworker under the bus to keep his job. A teen in California threw a friend under the bus in front of a teacher. A player in Illinois threw a teammate under the bus after a loss.
Alternative Meaning: It can mean shifting blame to stay safe. A student blamed a partner for copied work. A manager blamed staff to protect his role.

True False: “Idioms for Cheating”

1. True or False: If a student in Texas cheats on a test, it means the student copied answers in school.
   
2. True or False: If a car dealer in California cooks the books, it means he is baking food in his store.
   
3. True or False: If a worker in New York bends the rules, it means he follows every rule in a fair way.
   
4. True or False: If a player in Florida plays dirty, it means the player acts unfair in a game.
   
5. True or False: If a teen in Ohio pulls a fast one, it means the teen tricks someone quickly.
   
6. True or False: If a shop in Nevada uses bait and switch, it shows one item but sells a different one.
   
7. True or False: If a worker in Illinois pads the bill, it means the worker adds fake charges.
   
8. True or False: If a person in Arizona double-crosses a friend, it means the person stays loyal.
   
9. True or False: If a seller in Texas twists the facts, it means the seller tells the full truth.
   
10. True or False: If a boss in California throws someone under the bus, it means the boss protects that worker.
    
11. True or False: If a student in Florida covers his tracks, it means he hides proof after cheating.
    
12. True or False: If a player in New York rigs the game, it means the game is fair for both sides.
    
13. True or False: If a worker in Ohio acts in bad faith, it means the worker plans to be honest.
    
14. True or False: If a teen in Texas runs a con, it means the teen plans a trick to get money.
    
15. True or False: If a cashier in California shortchanges a customer, it means the customer gets full change back.
    
16. True or False: If a student in Illinois lies through his teeth, it means he tells a clear lie.
    
17. True or False: If a landlord in Florida takes someone for a ride, it means he cheats them for money.
    
18. True or False: If a worker in Nevada passes the buck, it means he blames someone else.
    
19. True or False: If a seller in New York masks the truth, it means the seller hides real facts.
    
20. True or False: If a coach in Texas tips the scales, it means he changes the result in an unfair way.
    

Answers

1. True
   
2. False
   
3. False
   
4. True
   
5. True
   
6. True
   
7. True
   
8. False
   
9. False
   
10. False
    
11. True
    
12. False
    
13. False
    
14. True
    
15. False
    
16. True
    
17. True
    
18. True
    
19. True
    
20. True

Conclusion

Cheating can hurt trust at school, at work, and at home. These idioms help us talk about unfair acts in a clear way. When we hear phrases like “play dirty” or “bend the rules,” we know they mean something wrong.

Learning these sayings helps children understand right and wrong. It also helps them read and speak better. Honest choices build strong trust. Fair actions matter every day in the United States.