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A sexual fetish in which the participants wear clown makeup, or do anything clown-like during sex. Referred to in Mystery Science Theater 3000, while watching the film "Here Comes the Circus." There have also been specialized porn films dedicated to this fetish.
Guy: Hey baby, wanna do it clownstyle tonight?

Girl: Sure, as long as I get to blow up a condom and make it into a penguin!

Guy: That's so hot.
by pectussian May 10, 2011
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