metal mouth
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
A person who wears orthodontic braces.
Register: derogatory, slang
Where it’s used:
Used
American English
Examples
In fact, wearing braces is such a common experience today that the social stigma once attached to it ("Hey, metal mouth!") hardly exists anymore.
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 “metal mouth” mean?
A person who wears orthodontic braces.
Is “metal mouth” formal or informal?
metal mouth is generally derogatory, slang.