The point where one believes that they may erupt/explode in LOL's. (An Abbreviation for Laughing out loud). Commonly affiliated with ROFL or LMAO. Only the most humerous of events should be appointed a LOLcano.
Commonly used by homosapions raging from the ages of child hood to the teenager years in which kids become more disabidient. It is an eruption of laughter not caused by the tectonic plates.
Steve: There was a lolcano in science today.
Simon: lolcano
Steve: Over some fat kidgetting stuck in his model volcano.