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.
The Extraterrestrial Highway With the U.S. government officially investigating unexplained sightings, the world has gone crazy for UFOs. Graham Averill, Outside Online, 3 Mar. 2025 Critics, who were often dismissive of Lowe, Moore, and various other Brat Packers, went crazy for them in this movie. Katie Rife, EW.com, 2 Mar. 2025 There are a lot of young kids on TikTok who will go crazy without it. David Faris, Newsweek, 18 Jan. 2025 Needless to say, the venue went crazy every time the Compton Kid blared through the speakers. Eric Renner Brown, Billboard, 19 Feb. 2025 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

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Cite this Entry

“Go crazy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/go%20crazy. Accessed 9 Mar. 2025.

Last Updated: - Updated example sentences
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