What Does “Chat sb up” Mean?
“Chat sb up” means to talk to someone in a friendly or flirtatious way, usually to show interest or start a romantic conversation.
Introduction
The phrase “chat sb up” is a common informal British English expression. It is used when someone tries to start a conversation with another person, often with the aim of showing romantic interest or getting to know them better. Understanding the “chat sb up meaning” helps learners grasp how to use this casual phrase in everyday speech. It’s a useful expression when talking about social interactions, especially in contexts like parties, bars, or casual meetings. Knowing how to use “chat sb up” will improve your conversational skills and help you sound more natural in English.
Quick Info Box
- Phrasal verb: chat sb up → chat somebody up
- Type: transitive
- Level: B2 (Upper-Intermediate)
- Short meaning: to talk to someone in a friendly or flirtatious way
Structure (Grammar Rules)
“Chat sb up” is a separable transitive phrasal verb. This means you can place the object (sb = somebody) between “chat” and “up,” or after the whole phrase.
- chat somebody up
- chat up somebody
Both forms are correct, but “chat somebody up” is more common in spoken English.
How to Use “Chat sb up”?
Use “chat sb up” when describing someone trying to start a friendly or romantic conversation. It is informal and often used in social situations. You can use it in the past, present, or future tense:
- He chatted her up at the party last night.
- Are you going to chat him up at the event?
- She loves to chat people up when she goes out.
Examples
- He tried to chat me up at the coffee shop.
- They were chatting each other up all evening.
- She’s good at chatting guys up at the bar.
- Don’t worry, I’ll chat her up and find out more.
- He was chatting her up in a very charming way.
Common Mistakes
- Incorrect: I chat up with him yesterday.
Correct: I chatted him up yesterday. - Incorrect: She chats up to everyone.
Correct: She chats up everyone. - Incorrect: They chat up at the party.
Correct: They chat each other up at the party.
Differences / Synonyms
Chat sb up is similar to “flirt with sb” or “hit on sb,” but it is less aggressive and more casual. “Flirt” focuses on showing romantic interest, while “chat sb up” emphasizes starting a friendly conversation with that intent.
Compared to “talk to sb,” which is neutral, “chat sb up” implies an intention to impress or attract someone.
Common Collocations
- chat a girl up
- chat a guy up
- chat someone up at a party
- chat someone up in a bar
- chat someone up online
Real-life Dialogue
Anna: Did you see Tom trying to chat Sarah up last night?
Ben: Yes, he was really smooth. I think she liked it.
Anna: I wish I could chat someone up like that!
Practice
Choose the correct sentence:
- a) He chatted up her at the club.
- b) He chatted her up at the club.
- c) He chatted up with her at the club.
Answer: b) He chatted her up at the club.
FAQs
- Q: Is “chat sb up” formal?
A: No, it is informal and mostly used in casual conversation.
- Q: Can I use “chat sb up” in American English?
A: It is more common in British English but understood in American English.
- Q: What does “sb” mean?
A: “sb” is short for “somebody” or “someone.”
- Q: Can I say “chat up someone”?
A: Yes, you can say “chat up someone,” but “chat someone up” is more common.
- Q: Is “chat sb up” only for romantic situations?
A: Usually yes, but it can also mean friendly flirting or showing interest.

