Top Definition
While in the act of sex the male is putting it in the girls ass and just as the male ejaculates into her ass he pulls out and the female farts causing cum to fly out everywhere simulating the eruption of a volcano.
Dude, i heard about jenny getting the human volcano from brad last night...he said there was cum splattered all over the walls.
by Matt, Drew, Bo & CMoney December 03, 2007
5 Words related to Human Volcano

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