cracked as an egg
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Utterly crazy or insane.
Register: informal
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 “cracked as an egg” mean?
Utterly crazy or insane.
Is “cracked as an egg” formal or informal?
cracked as an egg is generally informal.