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.
There are a lot of young kids on TikTok who will go crazy without it. Yaakov Katz, Newsweek, 17 Jan. 2025 The crowd laughed given the two actors’ rocky history, and social media went crazy wondering whether or not the two were still beefing. Zack Sharf, Variety, 7 Jan. 2025 When news broke last week that former New England Patriots head coach Bill Belichick had interest in a job as the University of North Carolina’s football coach, the sports world went crazy. Elizabeth Robinson, NBC News, 12 Dec. 2024 Sleep tomorrow, but tonight go crazy, because Rosé’s first studio album, Rosie, is out now. Jennifer Zhan, Vulture, 6 Dec. 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 21 Jan. 2025.

Last Updated: - Updated example sentences
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