lose temper

lose (one's) temper

To become angered, enraged, or upset due to some provocation; to have an outburst upon losing one's patience. I'm usually a pretty calm person, but whenever I start driving, I find I lose my temper at the slightest inconvenience. When we were kids, my dad lost his temper a lot, but he's mellowed out since then.
See also: lose, temper
Farlex Dictionary of Idioms.

lose one's temper (at someone or something)

Fig. to become angry at someone or something. Lisa lost her temper and began shouting at Bob. I hate to lose my temper at someone. I always end up feeling guilty.
See also: lose, temper
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • lose (one's) temper
  • lose one's temper
  • quick temper
  • short temper
  • have a quick temper
  • have a short fuse
  • be on a short fuse
  • be on/have a short fuse
  • have (got) a short fuse
  • a short fuse
References in periodicals archive
Therefore, the DG appealed to motorists to show patience and tolerance and never lose temper before Iftar.
Rescue 1122 advises drivers to avoid accidents
Remember to try and not lose tempers as arguments can quickly spiral out of control.
Early teenage angst -or something [...]; Supermam says..