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a. A buffoon or jester who entertains by jokes, antics, and tricks in a circus, play, or other presentation.
b. One who jokes and plays tricks.
2. A coarse, rude, vulgar person; a boor.
3. A peasant; a rustic.
intr.v. clowned, clown·ing, clowns
1. To behave like a buffoon or jester.
2. To perform as a buffoon or jester.
3. To krump, especially in clown makeup.
[Of Scandinavian origin (akin to Icelandic klunni, clumsy person) or of Low German origin.]