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A poop that is launch using intestinal gasses as a propellant. The expanding gas in the lower intestinal chamber pushes against the turd, thereby making the pooper work less to force it out. Also referred to as a G.A.P.
"Dammit, I've got a job interview in 10 minutes, and I need to take a dump. It had better be a gas assisted poop!!"

"How does John manage to take big dumps after the surgery to fix his hernia?"
"Oh, he usually eats foods high in fiber, so he always gets G.A.P.s, it makes it much easier on him."
by blobular August 14, 2011
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