be on a short fuse
To have a tendency to become angered, enraged, or upset very quickly or easily; to have a short temper. I'm usually a pretty calm person, but whenever I start driving I find I'm on a short fuse. When we were kids, my dad was always on a short fuse, but he's mellowed out since then. If you're always on a short fuse like that, it's going to get you into trouble one of these days.
have (got) a short fuse
To have a tendency to become angered, enraged, or upset very quickly or easily; to have a short temper. I'm usually a pretty calm person, but whenever I start driving I find I have such a short fuse. When we were kids, my dad had a very short fuse, but he's mellowed out since then. Wendy's always had a short fuse, and, yes, it has gotten her into trouble before!
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.