lost it

Verb

lose it (third-person singular simple present loses it, present participle losing it, simple past and past participle lost it)

1. (informal) To become explosively angry; to lose one's temper.
   • When my dad found out I had failed the exams, he just lost it.

   Synonyms:

   blow one's top, crash out, flip out, flip shit, go ape, go apeshit, go snake, hit the ceiling, freak out, hit the roof

2. (informal) To feel devastated, or distraught, especially when one's sadness is overwhelming.
   • When she heard the news about her cousin's death, she lost it.
3. (informal) To begin to laugh uncontrollably.
   • When the teacher's chair broke, the class completely lost it.
4. (informal) To lose one's mind, go crazy.
5. (informal) To cease to have a skill or ability, to lose one's touch, to be washed up.
   • When you think about all she's done for the sport, it's kind of sad, but she's completely lost it over the past few years.
6. (idiomatic) To lose control of a situation.
   • Charlie is seated in a wheelchair, his head face down on the tray, food and liquid strewn all over the floor and nearby counter. He appears to be unconscious. His feet and hands are swollen far beyond normal size. Horrified, I say his name softly. He doesn't stir. […] Later I'm told he'd "lost it"...1988 February 14, Marea Murray, “Friction Between The Factions”, in Gay Community News, volume 15, number 30, page 6

See all 7 meanings of lose it