1 definition by ruppge

Top Definition
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 November 12, 2007

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug