Some people act like your friend, but they don’t really care about you. They might be nice when others are watching but treat you badly when no one is around. These people are called fake friends. Fake friends can make you feel sad or confused. It’s important to know how to spot them so you can protect yourself.
People often use special sayings called idioms when talking about fake friends. These idioms help us understand feelings and situations in a fun way. They don’t mean exactly what the words say, but they give a clear idea of what someone means. In this article, we will learn some common idioms about fake friends. These phrases can help you talk about tricky friendships in a simple and smart way.
Idioms about Fake Friends
1. Two-faced
Meaning: Someone who acts nice but talks badly behind your back.
Give an Instance: Kelly was kind at lunch but rude later. She’s so two-faced. / He smiled at me but made fun of me later totally two-faced.
Substitute Meaning: Fake / Not true friend
2. Stab in the back
Meaning: Betray someone who trusts you.
Give an Instance: I told her my secret, but she told others. That was a stab in the back. / He was my friend, but he tattled on me.
Substitute Meaning: Betray / Hurt someone secretly
3. Fair-weather friend
Meaning: A friend only during good times.
Give an Instance: He was nice when I had candy, but left when I was sad. / She comes around only when I win.
Substitute Meaning: Not loyal / Only there for fun
4. Talk behind someone’s back
Meaning: Say mean things when they’re not there.
Give an Instance: They talked behind my back after I left. / I heard them say something mean when I wasn’t around.
Substitute Meaning: Gossip / Be sneaky
5. Throw under the bus
Meaning: Blame or hurt someone to protect yourself.
Give an Instance: She blamed me to get out of trouble. She threw me under the bus. / He said it was my idea when it wasn’t.
Substitute Meaning: Betray / Make someone else take the fall
6. Wolf in sheep’s clothing
Meaning: Someone who looks nice but isn’t.
Give an Instance: He acted sweet but told my secret. A wolf in sheep’s clothing. / She pretended to be kind but wasn’t.
Substitute Meaning: Hiding bad intentions / Fake nice
7. Snake in the grass
Meaning: A secret enemy.
Give an Instance: I thought she was my friend, but she tricked me. / He lied and smiled like a snake in the grass.
Substitute Meaning: Sneaky person / Not to be trusted
8. Talk out of both sides of the mouth
Meaning: Say one thing to you and another to someone else.
Give an Instance: He told me I did great but said I was lazy to others. / She told both sides a different story.
Substitute Meaning: Can’t be trusted / Says different things
9. Show true colors
Meaning: Reveal what someone is really like.
Give an Instance: She seemed nice, but she showed her true colors when I needed help. / When things went wrong, he showed his true colors.
Substitute Meaning: Be real self / Let mask slip
10. Cold shoulder
Meaning: Ignore someone on purpose.
Give an Instance: She gave me the cold shoulder at recess. / He walked past me without saying hi.
Substitute Meaning: Be rude / Leave someone out
11. Play both sides
Meaning: Be friends with both people in a fight and lie to each one.
Give an Instance: He told me one thing and told my friend something else. / She acted friendly with everyone but caused trouble.
Substitute Meaning: Can’t be trusted / Tricky friend
12. Blow hot and cold
Meaning: Be friendly one day and mean the next.
Give an Instance: He’s nice sometimes but ignores me other days. / She acts like a friend, then gets mean.
Substitute Meaning: Not steady / Confusing behavior
13. Keep at arm’s length
Meaning: Don’t get too close to someone.
Give an Instance: I talk to her but keep her at arm’s length. / He’s fun, but I don’t trust him.
Substitute Meaning: Be careful / Not close
14. Bite the hand that feeds you
Meaning: Hurt someone who helps you.
Give an Instance: She told on me after I shared my lunch. / He was mean after I helped him with homework.
Substitute Meaning: Be ungrateful / Turn against helper
15. Not lift a finger
Meaning: Refuse to help.
Give an Instance: I needed help, but she didn’t lift a finger. / He saw me struggling and walked away.
Substitute Meaning: Didn’t help / Ignored me
16. Leave someone in the lurch
Meaning: Leave someone alone when they need help.
Give an Instance: We were working together, but she left me in the lurch. / He quit the group right before the project.
Substitute Meaning: Abandon / Let down
17. Talk smack
Meaning: Say rude things about someone.
Give an Instance: She talked smack about me to the class. / He was talking smack about my shoes.
Substitute Meaning: Insult / Trash talk
18. Be two steps ahead
Meaning: Be ready for someone’s tricks.
Give an Instance: I knew she might lie, so I was two steps ahead. / He tried to prank me, but I saw it coming.
Substitute Meaning: Be prepared / Outsmart
19. Go behind someone’s back
Meaning: Do something sneaky without telling them.
Give an Instance: She planned a party and didn’t invite me. / He took credit for my idea behind my back.
Substitute Meaning: Secret action / Dishonest
20. Cross the line
Meaning: Do something that’s too hurtful.
Give an Instance: She crossed the line when she posted that photo. / He made a joke that wasn’t funny it crossed the line.
Substitute Meaning: Go too far / Be mean
21. Smile in your face, stab you in the back
Meaning: Act nice but then hurt you.
Give an Instance: She smiled at me and then spread lies. / He acts friendly but always tells others bad things about me.
Substitute Meaning: Pretend friend / Mean behind your back
22. Pull the rug out
Meaning: Take away support suddenly.
Give an Instance: I thought she’d help, but she pulled the rug out from under me. / He left the group without warning.
Substitute Meaning: Surprise betrayal / Abandon
23. Be fake
Meaning: Not act like your true self.
Give an Instance: He laughs with me but rolls his eyes after. / She is fake around teachers and rude to us.
Substitute Meaning: Pretend / Not real
24. Flip-flop
Meaning: Change sides or opinion often.
Give an Instance: She said she liked my outfit, then said it was ugly. / He flip-flops all the time.
Substitute Meaning: Not steady / Changes mind
25. Walk all over someone
Meaning: Treat someone badly without respect.
Give an Instance: She always takes my stuff without asking. / He uses me to do his homework.
Substitute Meaning: Take advantage / Be mean
26. Cut ties
Meaning: Stop being friends.
Give an Instance: After what she did, I had to cut ties. / He lied again, so I cut ties with him.
Substitute Meaning: End friendship / Let go
27. Be in it for themselves
Meaning: Only care about what they want.
Give an Instance: She only wants to be friends when she needs something. / He’s in it for himself.
Substitute Meaning: Selfish / Not helpful
28. Take you for granted
Meaning: Use someone without saying thanks.
Give an Instance: I always helped her, but she never said thanks. / He just expects me to do everything.
Substitute Meaning: Use someone / No respect
29. Ghost someone
Meaning: Stop talking to someone without reason.
Give an Instance: She ghosted me after the party. / He never replied to my texts again.
Substitute Meaning: Disappear / Ignore
30. Use someone
Meaning: Be nice only to get something.
Give an Instance: He only calls when he wants help. / She used me to win the contest.
Substitute Meaning: Take advantage / Not real friend
31. Fake it
Meaning: Pretend to like someone.
Give an Instance: She was faking it the whole time. / He acted like my friend just to get points.
Substitute Meaning: Pretend / Not honest
32. Be shady
Meaning: Do things in a sneaky or dishonest way.
Give an Instance: I asked if she saw my notebook her answer was shady. / He’s being shady about where he was.
Substitute Meaning: Not truthful / Suspicious
33. Turn on someone
Meaning: Suddenly be mean to a friend.
Give an Instance: We were friends, but she turned on me in front of everyone. / He turned on me when the others laughed.
Substitute Meaning: Betray / Switch sides
34. Butter someone up
Meaning: Say nice things just to get something.
Give an Instance: He buttered up the teacher before asking for extra time. / She buttered me up and then asked for my toy.
Substitute Meaning: Flatter / Trick
35. Fake smile
Meaning: Smile without meaning it.
Give an Instance: Her smile didn’t look real. It was a fake smile. / He fake smiled when I told my joke.
Substitute Meaning: Not happy / Pretend
36. Spread rumors
Meaning: Tell untrue stories about someone.
Give an Instance: They spread rumors about my grades. / She made up a story and told the whole class.
Substitute Meaning: Gossip / Tell lies
37. Make someone the butt of a joke
Meaning: Laugh at someone to make fun of them.
Give an Instance: They made me the butt of the joke in front of the class. / He laughed at my clothes and made others join.
Substitute Meaning: Tease / Embarrass
38. Fake friend
Meaning: Someone who pretends to care.
Give an Instance: He’s a fake friend only nice when people are watching. / She acted friendly but told my secrets.
Substitute Meaning: Not a real friend / Pretender
39. Turn a blind eye
Meaning: Pretend not to see something wrong.
Give an Instance: She saw what happened but turned a blind eye. / He ignored it when they were being mean.
Substitute Meaning: Ignore / Don’t care
40. Be phony
Meaning: Be fake or not real.
Give an Instance: His kind words felt phony. / That hug was so phony it didn’t mean anything.
Substitute Meaning: Not real / Pretending
41. Feed lies
Meaning: Keep telling untrue things.
Give an Instance: She fed me lies about what people were saying. / He kept lying to make me upset.
Substitute Meaning: Lie often / Trick
42. Not have your back
Meaning: Not support you when needed.
Give an Instance: When I needed her, she didn’t have my back. / He stood and watched instead of helping.
Substitute Meaning: No support / Not helpful
43. Blow your cover
Meaning: Tell your secret or plan without asking.
Give an Instance: I told her about the surprise, and she blew my cover. / He told everyone my secret.
Substitute Meaning: Reveal secret / Spoil surprise
44. Stir the pot
Meaning: Start drama or trouble for fun.
Give an Instance: She told both sides different stories just to stir the pot. / He made up things to get us mad.
Substitute Meaning: Cause problems / Start fights
45. Be all talk
Meaning: Say things but not mean them or do them.
Give an Instance: She said she’d help but didn’t. She’s all talk. / He promises stuff but never shows up.
Substitute Meaning: Just words / Doesn’t act
Find the “Idioms about Fake Friends”
Last week was spirit week at Lincoln Elementary. On Tuesday, everyone was excited to dress up in silly outfits. Maya thought her friend Chloe was helping her pick out a costume. But later that day, Maya overheard Chloe talking behind her back, saying her costume looked “so last year.” That felt like a stab in the back.
At lunch, Chloe gave Maya the cold shoulder and sat with someone else. Later, she smiled at Maya and acted nice, but Maya knew it was a fake smile. Chloe had been a two-faced friend all along.
Then on Thursday, Maya brought in cookies to share with her group. Chloe took three but didn’t even say thank you. She acted like a real fair-weather friend only sweet when she wanted something. By Friday, Chloe had ghosted Maya completely. She didn’t even look at her during the assembly.
Maya told her friend Jasmine, who said, “Sounds like Chloe’s been throwing you under the bus. You need to cut ties.” Maya thought for a moment. She realized Jasmine was right. She had to keep Chloe at arm’s length from now on.
Directions for Students:
Read the story again. Underline or list all the idioms about fake friends that you can find.
Answer Key
- Talking behind her back
- Stab in the back
- Cold shoulder
- Fake smile
- Two-faced
- Fair-weather friend
- Ghosted
- Throwing under the bus
- Cut ties
- Keep at arm’s length
Conclusion
Fake friends may smile or act nice, but their actions tell a different story. Idioms help explain how these people act without using many words. Saying someone is “two-faced” or “gave the cold shoulder” can show how that person made you feel.
By learning idioms about fake friends, you can better understand and talk about tricky situations. These phrases are helpful and easy to remember. The next time someone isn’t being a true friend, you’ll know just what to say.
