what's with somebody?

What's up with (someone)?

1. Why is someone so upset or acting in such an unusual way? What's up with Jeff? He just screamed at me and stormed out of the room. I wonder what's up with Sarah—she's been avoiding me for days now.
2. What is new in someone's life? Oh, hey Jim, what's up with you? Did you end up getting that job in Denver? A: "I ran into Cheryl today." B: "Oh yeah? What's up with her these days?"
See also: up

What's with (someone)?

Why is someone so upset or acting in such an unusual way? What's with Jeff? He just screamed at me and stormed out of the room. I wonder what's with Sarah—she's been avoiding me for days now.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

what’s with somebody?

(American English, spoken) used to ask why somebody is behaving in a strange way: What’s with you? You haven’t said a single word all morning.
Farlex Partner Idioms Dictionary © Farlex 2017
See also: