moon unit
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
A stupid person; an idiot
Register: slang
Where it’s used:
Used
American English
Examples
He stares at her like she's a total moon unit. Which she probably is.
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 “moon unit” mean?
A stupid person; an idiot
Is “moon unit” formal or informal?
moon unit is generally slang.