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

Fans — particularly the Hayffie shippers — went crazy for it. — Shania Russell, Entertainment Weekly, 25 Aug. 2026

The players then throw off their capes as the crowd goes crazy. — John Maffei, San Diego Union-Tribune, 20 Aug. 2026

Or Black people being disappointed that the song that went crazy wasn’t a pure R&B song. — Sidney Madden, VIBE.com, 19 Aug. 2026

Fans have gone crazy for the track online, which has been touching for the Housewife to take in. — Mckinley Franklin, HollywoodReporter, 17 Aug. 2026

Word History

First Known Use

1743, in the meaning defined at sense 2

Rhymes for go crazy

• calabrese
• daisy
• hazy
• lazy