Upside down volcano

A rather graphic representation of a girl on her period.
Man, that girl was bleeding so heavy it looked like an upside down volcano erupting.
by sullent May 25, 2011
mugGet the Upside down volcanomug.

upside-down volcano

The act of deficating in an explosive manner. This is usually a diahrea dump resembling a volcanic eruption, upside-down.
I just took the worst shit ever. It was an upside-down volcano.
by ruppge December 08, 2007
mugGet the upside-down volcanomug.
We the man ejaculates into a girls mouth or throat, then the girl( or guy if you are that way) coughs the white oozy cream out of her nose while standing on her head.
Person 1-Dude, I was getin some lettuce, and she pulled an upside down reverse volcano of snow!

Person 2-Umm, right, you wanna have sex in my butthole?

Person 1-Well, you didn't hear a word I said.
by Charlotte S. August 14, 2006
mugGet the Upside down reverse volcano of snowmug.