what's up with

phrase

informal

1

: what is the reason for (something)

He told me to go away. What's up with that?

2

: what is wrong with (someone or something)

What's up with you? You look upset.

I can't figure out what's up with this computer.

Examples of what's up with in a Sentence

Recent Examples on the Web

And what's up with that guy in the beret? — Eduardo Cuevas, USA Today, 4 Nov. 2025

For instance, what's up with the fur rugs handing over the backs of so many chairs? — Elazar Sontag, Bon Appétit, 9 Sep. 2024

Seriously, what's up with trying to pump up the yellow tones? — Julian Chokkattu, WIRED, 21 Aug. 2024

Revisiting these people later, and then seeing all the babies that were born who would be adults now and seeing what's up with their stories, would be exciting. — EW.com, 28 Feb. 2024