Top Definition
When ripping the billy/bong and you cough while inhailing causing the weed in the bowl/cone peice to explode out like a volcano
mate 1: *cough*

mate 2: oh fuck sake steve you just volcano'd the bowl
by Defqon November 06, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.