not a happy camper
idiomPart ofcamper
not a happy camper — idiom
1. used informally to say that someone is very unhappy or annoyed about a situation
1.idiom
Definition
used informally to say that someone is very unhappy or annoyed about a situation they are in.
Example
When the airline lost his luggage, Rohan was not a happy camper.
The teacher was not a happy camper when half the class forgot to bring their books.