Definitions by Fecalstein

Mount Vesuvius 

The occurrence of explosive diarrhea immediately after anal sex, while the participant is lying on their stomach, and the fecal matter projects upward in a volcano-like fashion.

My 1200 thread count sheets were ruined after that ho Mount Vesuvius'd all over the bed.

Mount Vesuvius by Fecalstein June 1, 2010