you're telling me
idiomatic phrase
Meaning
An emphatic expression of agreement or confirmation that the speaker is already fully aware of the situation being described.
Examples
- You're telling me; I have been waiting in this line for over two hours myself.
- When he complained about the heat, she just nodded and said, 'You're telling me!'
Synonyms: I know, tell me about it, no kidding, preaching to the choir