(informal) you gotta be joking! you must be kidding!

(informal) not at all! far from it! you bet! not likely!

(informal) you said it, you don't say, you can say that again

(informal) what can I say

(informal) my eye; yeah, right; tell it to the marines!

Synonym of tu peux parler

(informal) look who's talking! you're one to talk! you can talk!

you know what? (a phrase used to get someone's attention before announcing something)

I hear you say, I hear you cry, you may ask, you may say, some will ask, some will say

(exclamative) what