Top Definition
Also known as the Fap King. The Fappopotamus typically resides in the Fap Cave. Leaving only to forage for food and water. The Fappopotamus lives only to Fap.
Justin, the Fappopotamus, can be heard fapping in the fap cave, all day long. Sometimes late at night when it is really quiet... you can hear the Fappopotamus... fapping... fap fap fap
by Dark Phantom December 12, 2012

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