metal mouth
English edit
Noun edit
metal mouth (plural metal mouths)
- (slang, derogatory) A person who wears orthodontic braces.
- 1997, Jean Lee, Coping With Braces and Other Orthodontic Work, page 1:
- In fact, wearing braces is such a common experience today that the social stigma once attached to it ("Hey, metal mouth!") hardly exists anymore.