went bonkers

Verb

go bonkers (third-person singular simple present goes bonkers, present participle going bonkers, simple past went bonkers, past participle gone bonkers)

1. (informal) To lose one's sanity.
   • We all knew he'd gone bonkers after he started speaking only gibberish.
2. (informal) To have a good time, free from restraint.
   • Everyone should just go bonkers at my next birthday party.

   Synonyms:

   cut loose, go bananas, have a blast, have fun, let loose