(you) coulda fooled me

(you) coulda fooled me

Is that really the case? I thought the opposite was true. (Formed from an informal shortening of "could have fooled me.") A: "This neighborhood has really improved in recent years—it's quite popular now." B: "Wow, you coulda fooled me, what with all the boarded-up buildings and everything." Maria is shy? Coulda fooled me. She was the life of the party all night long!
See also: coulda, fool
Farlex Dictionary of Idioms.
See also:
  • coulda
  • (you) could have fooled me
  • you could have fooled me
  • you could have fooled me!
  • could have fooled me
  • Who can say?
  • Who can tell?
  • at the back of beyond
  • Who's to say?
  • somewhere to hang hat