one fry short of a Happy Meal
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
mad, deranged, insane
Register: slang
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).
Sense 2
Meaning · English
stupid, retarded, slow
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “one fry short of a Happy Meal” mean?
mad, deranged, insane
Is “one fry short of a Happy Meal” formal or informal?
one fry short of a Happy Meal is generally slang.