I believe we've met

I believe we've met

Said when one is introduced to someone they think they've met before. I believe we've met—Holly, right? A: "Ed, this is my roommate, Jen." B: "Oh yeah, hi, I believe we've met before."
See also: believe, met
Farlex Dictionary of Idioms.

I believe we've met.

a phrase suggesting that one has already met a person to whom one is being introduced. John: Alice, have you met Fred? Alice: Oh, yes, I believe we've met. How are you, Fred? Fred: Hello, Alice. Good to see you again. Alice: Tom, this is my cousin, Mary. Tom: I believe we've met. Nice to see you again, Mary. Mary: Hello, Tom. Good to see you again.
See also: believe, met
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • well met
  • pleasure
  • (I) don't believe I've had the pleasure
  • don't believe I've had the pleasure
  • have you met
  • a stranger to (someone or something)
  • know (someone)
  • gray
  • all cats are gray by night
  • all cats are grey in the dark