1 definition by flumpRus

Top Definition
The act of engaging in wicked, rough anal sex. The word "flump" comes from the sound that the "givers" crotch makes when slapping against the "takers" bum.
I know she's not really into it, so I lubed up good and surprised her with some crazy rumpus flumping!
by flumpRus February 07, 2011

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