what is the matter with
idiomPart ofmatter
what is the matter with — idiom
1. used to express annoyance or to ask why something is wrong or unusual
1.idiom
Definition
used to express annoyance or to ask why something is wrong or unusual
Example
What is the matter with this printer? It keeps jamming every time I use it.
What is the matter with people these days? Nobody seems to care about being polite anymore.