You're telling me!

You're telling me!

Inf. I know all too well the truth of what you are saying. Tom: Man, it's hot today! Bob: You're telling me! Jane: This food is really terrible. Sally: Wow! You're telling me!
See also: telling

You're telling me!

  (informal)
something that you say to emphasize that you agree with something someone has just complained about because you have experienced it yourself 'Brenda's really bad-tempered these days.' 'You're telling me!'
See also: telling