English · Slang Attested

one fry short of a Happy Meal

In real, traceable use. Part of the curated seed collection; community review is coming.

Sense 1

Both English Tiếng Việt

Meaning · English

mad, deranged, insane

Nghĩa · Tiếng Việt

Điên, điên loạn, mất trí

Machine-translated — suggest a fix

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).

Both English Tiếng Việt

Meaning · English

stupid, retarded, slow

Nghĩa · Tiếng Việt

Lầm, chậm, yếu

Machine-translated — suggest a fix

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

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.

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