go crazy

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.
Gable tagged in and went crazy with suplexes on Rusev and Gable. Alfred Konuwa, Forbes.com, 21 July 2026 Riley Green has country music fans going crazy with his new song. David Hookstead Outkick, FOXNews.com, 3 July 2026 The English star went crazy with Willem Dafoe in The Lighthouse (2019), had a baby in outer space in High Life (2018), ran from the law in Good Time (2017), and even played the Dark Knight in The Batman (2022). Brianna Zigler, Entertainment Weekly, 3 July 2026 When Balogun officially scored 13 minutes later, people went crazy once more, jumping up and down, waving flags and chanting. Graham Womack, Sacbee.com, 2 July 2026 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

Browse Nearby Words

Cite this Entry

“Go crazy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/go%20crazy. Accessed 22 Jul. 2026.

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