go crazy

verb

To suddenly behave irrationally; to go mad.

Similar
go bonkersgo insanego nutspop one's corkflip one's wigflip outfreak outget one's freak on
Opposite
come to one's senses
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Meanings

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

present singular third person goes crazy · participle present going crazy · past went crazy · participle past 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 guts

    1996, "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

  2. intransitiveslangstativeTo be excellent.

    the fit goes crazy

    the outfit is excellent

    Synonyms: go hard

Synonyms & antonyms

verbTo suddenly behave irrationally; to go mad.

Similar
go bonkersgo insanego nutspop one's corkflip one's wigflip outfreak outget one's freak ongo ballisticgo bananasgo berserkgo bonkersgo HAMgo H.A.M.go hamgo madgo nutsgo pottylose it

verbTo be excellent.

Similar
go hard
Opposite
come to one's senses
Also see
get one's freak ongo apeshitgo berserkgo hamgo madgo nutsgo pottygo roguego snakeschiz
Cite this entry
APA

go crazy. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/go%20crazy

MLA

“go crazy.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/go%20crazy. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “go crazy,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/go%20crazy.

Source: go crazy on Wiktionary, CC BY-SA 4.0.