go crazy

idiomatic phrase

1
: to become mentally unsound
I must be going crazy. I can't find my car keys anywhere.
not used technically
2
: to act in a way that is out of control : to act wildly
We were just talking when he suddenly went crazy and started screaming.
The crowd went crazy when the team won the championship.

Examples of go crazy in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Broadway fans went crazy online after it was revealed that her biography in the show's Playbill is actually just Streep's bio. Charlotte Phillipp, People.com, 21 Nov. 2024 Ultimately, Poseidon went crazy and angrily tossed Cassiopeia into the sky, eternally bound to her throne for all to see. Mike Lynch, Twin Cities, 3 Nov. 2024 Yes, but: Anthropic isn't letting Claude go crazy on your laptop or phone in the wild quite yet. Scott Rosenberg, Axios, 24 Oct. 2024 That tone is rife throughout the lyrically dense project, where both rappers go crazy over 70 BPM gems. Andre Gee, Rolling Stone, 22 Oct. 2024 See all Example Sentences for go crazy 

Word History

First Known Use

1743, in the meaning defined at sense 2

Time Traveler
The first known use of go crazy was in 1743

Dictionary Entries Near go crazy

Cite this Entry

“Go crazy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/go%20crazy. Accessed 28 Nov. 2024.

Last Updated: - Updated example sentences
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