Top Definition
The unexpected execretion of liquid shit when you do a fart.
Bill: Man I've been so sick the last 3 days. The other day I did a fart in bed and the next thing I know there's a steaming puddle of fart lava on the sheets
Ben: wtf? who r u!
by aussiemandias September 12, 2009
7 Words related to Fart Lava

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