The act of expelling large amounts of watery excrement and roughly marble-sized bits of feces (jills) from the rectum within an extremely short period of time.
Don't get the chili! I don't want you spilling the jills all over my toilet tonight.
by colonel mustrd June 19, 2010
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To fart out a bunch of soupy turds.
"Someone spilled the jills all over this urinal at Chipotle."

"Stop at a gas station. I'm gonna spill the jills!"
by Bdwg November 25, 2007
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