go crazy

Verb

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

1. To suddenly behave irrationally; to go mad.
   • The night Santa went crazy
     The night Kris Kringle went nuts
     Now you can't hardly walk around the North Pole
     Without steppin' in reindeer guts1996, "Weird Al" Yankovic, “The Night Santa Went Crazy”, in Bad Hair Day

   Synonyms:

   go bonkers, go insane, go nuts, pop one's cork, flip one's wig, flip out, freak out, get one's freak on, go ballistic, go bananas

2. (intransitive, slang, stative) To be excellent.
   • the fit goes crazy

   Synonyms:

   go hard