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Its what happens to your fecal matter after dining at a shitty Thai food restaurant. You best be ready to paint your toilet bowl a light to medium shade of brown with a high possibility of solid corn and peanuts.
"Jesus Mary fucking Christ Dan! Is that shit running down your leg?"

"Fuck me runnin' Must have a bad case of the Butt Slushies"
by Brendan Blessing June 24, 2008
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A mixture of feces, semen, and blood excreted after rough anal intercouse.
After Back-Door-Betty was cock-slammed in the stinkhole, she went and dropped a big butt-slushy.
by gordoncharly123456 July 12, 2006
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When a man takes a dump into a girl` s mouth, then the girl vomits(with the dump still in her mouth) all of it into the man ` s mouth, then the man spits all of it into the girl` s ass and fucks her.
I want to give your mom a butt slushy.
by Double0Donuts December 27, 2007
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