To make or take a bet. / (idiomatic) To take an obvious stake in the truth of a claim that one is making.

(idiomatic) To say or imply that someone has made a statement or remark which they did not precisely or directly make.

A person who routinely inhales and exhales through the mouth, instead of through the nose. / (idiomatic, slang, derogatory) A person who is boorish, stupid, or otherwise unattractive.

(slang) To make reckless or exaggerated statements.

(idiomatic, US) To be careful about what one says, especially with regard to disrespectful or profane language.

(humorous) One who does not speak can be sure of not saying anything embarrassing.

foot-and-mouth disease

That is pleasing to the sense of taste; appetizing. / (by extension) Enticing or tantalizing.

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

simple past tense and past participle of mouth off