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4.
A catch all phrase that you use when you can't explain something.
Yo' that movie was so good....ah........buttsoup!!
by JAUBS December 24, 2003
 
1.
Having loose bowels so bad that it almost all water.
I drank way too much last night, now I have a ridiculous case of butt soup.
by Jay Blalock May 28, 2008
 
2.
It like sneezing out your ass, sometimes its wet and sometimes it ain't!!
Dude, what reeks? Did you just rip open a can of Buttsoup....
by JAUBS December 24, 2003
 
3.
When a person has really bad diahrea where in they don't make it to the toilet fast enough.
Usually caused when a person who has gastrointestinitus has had to much to drink and eaten food stocks known for making green poop and/or large amounts of intestinal gas.
"Man, excuse me I gotta go!"
"What? You sick?"
(*running and groaning*)
(returns 30 minutes later.)
"Hey I got to leave."
"What? why?"
"I didn't make it onto the toilet in time and I sprayed butt soup all over the seat and the back of my pants.)
by ARMOROID5000 July 17, 2009