Top definition
The result of trying too forcefully to release a fart: a spatter of shit in your pants. Also referred to as a GK. The term is derived from a story read to Calvin by his dad in Calvin and Hobbes.
"Wow Robbie, in trying to impress us with a nice loud fart, you shat in your pants! Gooey kablooie!"

"Last Saturday I tried to fart but GKed instead."
by taybeans jr. May 23, 2008
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