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.
de Fecalstein 1 juin 2010
3 more definitions
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
"Babe you aren't gonna believe I the dump just unloaded! I think I'll call it Mount Vesuvius."
de someone stole my name 13 février 2014
A famous spot that appears on someones face. It is extremely visible and infected. Commonly known for exploding over someone.
Naj's Mount Vesuvius is about to explode over someone!
de dohkay 21 juillet 2011
When a girl takes a drag of a cigarette then gives a guy a blow job.
That chick just gave Greg a MASSIVE mount vesuvius!
de AwesomePersonYeah 26 juin 2009