1 definition by DanOAngel

When you're leaned back on your shoulders with your knees behind your ears lighting a fart and diarrhea comes out after the fart, thus creating the eruption effect.

In order to be a true volcano all three factors need to be present. Gas, diarrhea, and lit flame!!!
"Dude! I almost burned my house down!! Did you see me volcano?"
by DanOAngel April 24, 2009
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