get bent out of shape
US /ɡɛt bɛnt aʊt əv ʃeɪp/
UK /ɡɛt bɛnt aʊt əv ʃeɪp/

1.
to become angry, upset, or annoyed, especially over something minor
:
•
Don't get bent out of shape over a spilled drink; it's just a small accident.
•
My boss tends to get bent out of shape if deadlines are missed, even by a little.