Top Definition
Painfully massive build-up of gas and diarrhea, suddenly with malice aforethought, let loose in a long, sputtering geyser of liquid poo fully emptying your bowels as loudly as the sound of a run-away chainsaw. This will coat anything/anybody in a 3 foot radius with hot, nasty, viscous ass fluid.
As my cheatin' ass girlfriend was tryin' to win my heart back by givin' me a Rusty Trombone, I gave her a lesson in pay-back by introducing her to a Leaky Chainsaw she'll never forget!
by KingTigerKommander April 05, 2009
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