An eventually that could arise fromengaging in anal sex with a man or woman. If the woman or man receiving defecates whilst their partner is inside them, the excretion could travel up the mans urethral opening (penis hole).

The said male could then ejaculate his partners excretion thus forming a chocolate volcanoe.
Sam fucked his girlfriend and she gave him a chocolate volcanoe.
by Sma korc September 30, 2009

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