Top Definition
A sexual act in which a man does a woman from behind and treats her ass roughly (by means of smacking, grabbing, etc...) until it turns a pinkish color. The act is finished by pulling out and cumming on her ass.
I love girls with bedonkadonk, they're the best for spherplunken.
by fugaho June 11, 2009
5 Words related to spherplunken

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