a short fuse

a short fuse

A tendency to become angered, enraged, or upset very quickly or easily; a short temper. I'm usually a pretty calm person, but whenever I start driving I find I have such a short fuse.
See also: fuse, short
Farlex Dictionary of Idioms.

short fuse

n. a quick temper. I knew she’d blow. She’s got a short fuse.
See also: fuse, short
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • fuse
  • short fuse
  • have a short fuse
  • have (got) a short fuse
  • be on a short fuse
  • be on/have a short fuse
  • have a quick temper
  • short temper
  • quick temper
  • lose one's temper