In a hand-to-mouth manner.

(idiomatic, euphemistic) The characteristic of regularly using vulgar language, especially strong profanities. / (idiomatic) A person having this characteristic.

(intransitive, slang) To complain or otherwise express oneself in a loud, immoderate manner. / (transitive, intransitive, slang) To talk impudently, especially to one's superior.

present participle of mouth off

Third-person singular simple present indicative form of mouth off

(idiomatic, used in similes) An indistinct, muffled or garbled manner of speaking.

plural of mouth ulcer

plural of mouth harp

Synonym of Jew's harp / (African-American Vernacular) Synonym of harmonica

(informal) bad breath, halitosis