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....
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.
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."
"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.)
A catch all phrase that you use when you can't explain something.
Yo' that movie was so good....ah........buttsoup!!