laugh -- (a facial expression characteristic of a person laughing; "his face wrinkled in a silent laugh of derision")
joke, gag, laugh, jest, jape -- (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")
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