Top definition
A fountain of liquid that results from mixing smegma with diet Coke. The resulting violent eruption can damage the genitals if protective equipment is not used.
The smegma fountain was much more impressive than the Coke and Mentos mixture.
by Slim Dingo September 26, 2011
Mug icon

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the shirt