Verb: lose one's temper
- Become suddenly very angry
- flip one's lid [N. Amer, informal], blow up [informal], throw a fit [informal], hit the roof [informal], hit the ceiling [informal], have a fit [informal], blow one's stack [N. Amer, informal], fly off the handle [informal], flip one's wig [US, informal], blow a fuse [informal], go ballistic [informal], go mental [informal], blow a gasket [informal], go off the deep end [informal], go ape [informal], blow one's top [informal]
Derived forms: loses one's temper, lost one's temper, losing one's temper
Type of: rage