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
The event organizers didn’t go crazy.
—
Idaho Statesman, 4 Dec. 2025
Fans, too, went crazy for the look.
—Skyler Caruso, PEOPLE, 1 Dec. 2025
The lights in the MAC-Z go crazy.
—Maggie Fremont, Vulture, 27 Nov. 2025
Just don’t go crazy—Mayo Clinic recommends that adults have no more than 2,000 milligrams (mg) of vitamin C a day.
—Caitlin Carlson, SELF, 25 Nov. 2025
See All Example Sentences for go crazy
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Idaho Statesman, 4 Dec. 2025
Fans, too, went crazy for the look.
—Skyler Caruso, PEOPLE, 1 Dec. 2025
The lights in the MAC-Z go crazy.
—Maggie Fremont, Vulture, 27 Nov. 2025
Just don’t go crazy—Mayo Clinic recommends that adults have no more than 2,000 milligrams (mg) of vitamin C a day.
—Caitlin Carlson, SELF, 25 Nov. 2025
See All Example Sentences for go crazy
Cite this Entry
“Go crazy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/go%20crazy. Accessed 5 Dec. 2025.
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