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.
by Fecalstein June 01, 2010
The act and/or result of a man taking such a large shit that it ice-creams beyond the water level while simultaneously pushing against the ejaculatory gland in the rectum hard enough to make the man ejaculate(cum like a stallion) on the peak of the newly formed shit mountain, creating a brown and white massive volcano shit
by someone stole my name February 13, 2014