Meanings
nounmetal mouth (plural metal mouths)
plural metal mouths
- derogatoryslangA person who wears orthodontic braces.
In fact, wearing braces is such a common experience today that the social stigma once attached to it ("Hey, metal mouth!") hardly exists anymore.
1997, Jean Lee, Coping With Braces and Other Orthodontic Work, page 1
Cite this entry
APA
metal mouth. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/metal%20mouth
MLA
“metal mouth.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/metal%20mouth. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “metal mouth,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/metal%20mouth.
Source: metal mouth on Wiktionary, CC BY-SA 4.0.