1 definition by Jonnymitchell

Top Definition
The large, pulsating vein that runs down your phallus.
'Hey, Sellick, thats one hell of a bulging mothervein you got there.'
by Jonnymitchell February 03, 2009

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