Meaning of gag
Definition of gag
(noun)
a humorous anecdote or remark intended to provoke laughter; "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"
tie a gag around someone's mouth in order to silence them; "The burglars gagged the home owner and tied him to a chair"
make jokes or quips; "The students were gagging during dinner"