lose (one's) rag

lose (one's) rag

slang To become extremely upset or angry, usually unexpectedly. Primarily heard in UK, Australia. I'd had such a rough day at work that I lost my rag when my brother started teasing me once I got home.
See also: lose, rag
Farlex Dictionary of Idioms.

lose your rag

BRITISH, INFORMAL
If you lose your rag, you suddenly lose your temper with someone and get very angry. You can imagine just how easy it would be to lose your rag in that situation. Eventually Melvin lost his rag and hit the guy.
See also: lose, rag
Collins COBUILD Idioms Dictionary, 3rd ed.

lose your rag

lose your temper. informal
1998 New Scientist In boxing as in medieval theology, anger is a sin. Lose your rag and you are likely to lose the match.
See also: lose, rag
Farlex Partner Idioms Dictionary

lose your ˈrag

(British English, informal) become very angry and behave in an uncontrolled way: He really lost his rag when the children broke another window with their ball.
See also: lose, rag
Farlex Partner Idioms Dictionary
See also:
  • lose your rag
  • be hit for six
  • soldier rag
  • as it turned out
  • as it/things turned out
  • steal the show
  • the rag trade
  • don't that take the rag off the bush!
  • another county heard from
  • in rags