what’s with you?

(idiom) what’s wrong? what’s wrong with you?

Example Sentences:

What’s with you these days? You seem to be really angry.

A: Leave me alone!
B: What’s with you?
A: Sorry, I’m in a bad mood.
B: Why?
A: My girlfriend broke up with me.

Similar idioms:

1. get up on the wrong side of the bed
2. no hard feelings
3. start off on the wrong foot
4. drive someone up a wall