crazy as a bedbug
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Utterly mad; insane.
Register: informal
Where it’s used:
Used
American English
Examples
The old lady may be as crazy as a bedbug, but she could be right about something moving in after dark.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “crazy as a bedbug” mean?
Utterly mad; insane.
Is “crazy as a bedbug” formal or informal?
crazy as a bedbug is generally informal.