crazy up
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
To become or make someone or someplace crazy (of unsound mind; insane; demented, out of control, very excited or enthusiastic, very unexpected; wildly surprising).
Where it’s used:
Used
American English
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “crazy up” mean?
To become or make someone or someplace crazy (of unsound mind; insane; demented, out of control, very excited or enthusiastic, very unexpected; wildly surprising).
Is “crazy up” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.