A sex act in which a girl gives you head and holds a lit lighter until you are about to cum. She then extinquishes the lighter on your scrotom as you cum thus creating a 'fire from down below' eruption effect.
by EVolcanomasterD September 18, 2008

by Charlie Kilowatt April 22, 2010

by MC PunkFade January 14, 2008

boy: omfg r u ready babe?
girl: yeah babe im so horny
boy: im gonna give you the best volcano you've ever had!
girl: *creams*
girl: yeah babe im so horny
boy: im gonna give you the best volcano you've ever had!
girl: *creams*
by chrisko January 11, 2009

a sexual act in which one partner is upside (via handstand or being held upside down by another) and projectile diarrheas in the air, like a volcano erupting, while the other partner awaits below to have the diarrhea rain upon them like hot lava
by damnthtsnazty July 28, 2011

by grandeloveee December 09, 2008

by SimonAndGarfunkmasterFlex October 05, 2004
