plural of mouth-friend

In a hand-to-mouth manner.

simple past tense and past participle of mouth off

(informal) Regularly using vulgar language, especially strong profanities.

(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

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

plural of mouth ulcer

plural of mouth harp