have a short fuse

US /hæv ə ʃɔrt fjuːz/
UK /hæv ə ʃɔrt fjuːz/
"have a short fuse" picture
1.

to have a quick temper; to get angry easily

:
Be careful what you say to him, he tends to have a short fuse.
My boss really has a short fuse when it comes to missed deadlines.