These manifest as “smart” mouth guards and peel-and-stick sensors.
He was arrested multiple times holding a can of spray paint with his hands and mouth “smeared with the stuff.”
In this part of the country we call it blowout—when the mouth opens up in the middle of a hill and shoots stuff out like a rifle.
A taxidermic bear stands almost six feet tall on his hind legs with his mouth gaping in a never-ending silent roar.
See how he gets all nervous and jittery, and then this stuff just tumbles out of his mouth?
"Five hundred—d'ye say five" said the postman from the half of his mouth that was clear.
At this moment the pilot came in, with a cigar in his mouth, and took the wheel.
I thought I knew what was on his mind; my tongue grew large in my mouth.
As that was not our present purpose, we forgot all about it as soon as we were out of sight of its mouth.
They were now more than four thousand miles distant from the mouth of the Missouri.
Old English muþ "mouth, opening, door, gate," from Proto-Germanic *munthaz (cf. Old Saxon, Old Frisian muth, Old Norse munnr, Danish mund, Middle Dutch mont, Dutch mond, Old High German mund, German Mund, Gothic munþs "mouth"), with characteristic loss of nasal consonant in Old English (cf. tooth, goose, etc.), from PIE *mnto-s (cf. Latin mentum "chin"). In the sense of "outfall of a river" it is attested from late Old English; as the opening of anything with capacity (a bottle, cave, etc.) it is recorded from c.1200. Mouth-organ attested from 1660s.
c.1300, "to speak," from mouth (n.). Related: Mouthed; mouthing. Old English had muðettan "to blab."
n. pl. mouths (mouðz)
The body opening through which an animal takes in food.
The oral cavity.
The opening to any cavity or canal in an organ or a bodily part.
Impudence; backtalk; sass: I've had about enough of your mouth (1926+)
: They jounced and mouthed each other
bad-mouth, bigmouth, blow off one's mouth, cotton mouth, foot-in-mouth disease, foulmouth, foulmouthed, from the horse's mouth,loudmouth,motor-mouth,mushmouth, poor-mouth, ratchet-mouth, run off at the mouth, shoot off one's mouth, smartmouth, watch one's mouth, zip one's lip