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 kid getting stuck in his model volcano.
by sitush January 08, 2009
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Refering to being comicly owned by a volcano in arcanists. Also it can be used as "owned"
ex: "rolfmaool, psa just got lolcanoed"
by Mod Thomas April 22, 2009
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noun; an eruption of laughter. LOL (laugh out loud) 'cano' - volcano
by lolaz April 12, 2011
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A sudden outburst of laughter, usually used in a sarcastic way or texting in place of "lol" or "lawlz"
literal meaning-
Bonnie: I just laughed so hard I threw up a little bit!
Cara: Bahahahaha, oh my god LOLCANO!

sarcastic meaning-
status update: b0r3d, texxxt meee!!

reply: lolcano..
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