losing one's shit

Verb

lose one's shit (third-person singular simple present loses one's shit, present participle losing one's shit, simple past and past participle lost one's shit)

1. (idiomatic, vulgar) To lose one's temper.
2. (idiomatic, vulgar) To have a sudden burst of emotion, regardless of the type of feeling.
   • I watched Lady Gaga’s Telephone video last night, and I lost my shit.
3. (idiomatic, vulgar) To break down in laughter.