gag

(noun) a humorous anecdote or remark intended to provoke laughter. Synonyms: joke, laugh, jest, jape. Examples: "He told a very funny joke." "He knows a million gags." "Thanks for the laugh." "He laughed unpleasantly at his own jest." "Even a schoolboy's jape is supposed to have some ascertainable point."

(noun) restraint put into a person's mouth to prevent speaking or shouting. Synonyms: muzzle.

(verb) prevent from speaking out. Synonyms: muzzle. Examples: "The press was gagged."

(verb) be too tight; rub or press. Synonyms: choke, fret. Examples: "This neckband is choking the cat."

(verb) tie a gag around someone's mouth in order to silence them. Synonyms: muzzle. Examples: "The burglars gagged the home owner and tied him to a chair."

(verb) make jokes or quips. Synonyms: quip. Examples: "The students were gagging during dinner."

(verb) struggle for breath; have insufficient oxygen intake. Synonyms: choke, strangle, suffocate. Examples: "He swallowed a fishbone and gagged."

(verb) cause to retch or choke. Synonyms: choke.

(verb) make an unsuccessful effort to vomit; strain to vomit. Synonyms: heave, retch.