A rapid evacuation of feces from the colon. Diarrhea. A violent defecation.

"After eating at Taco Bell, I always have to blow mud."
by Kibo April 9, 2003
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A small spat of diahreah is literally blown out of the anus, masqueraded as mere gas. Not until the actual exit from the anus, does the unfortunate mud blower realize that what they believed to be simple gas, turned out to be a forceful eruption of diarreah. To blow mud; blowing mud; blew mud;
I had to leave work early because I thought I was in the clear to bust a real loud ass fart, I was going to let one rip, but it turned out that I blew mud all over my underwear instead. I have to escape quickly before the smell is detected by a colleague. (Blow Mud)
by tsohma September 29, 2005
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My girlfriend dident want me to toss her salad cause she had been blowing mud all day.
by Scott311Bliss October 24, 2003
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When you're takin' a dump and semi-thick liquid comes out of your ass and spackles the toilet.
"Hey man, are you gonna' go in my bathroom and blow mud"?
by Sweet Chuck January 5, 2005
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A rapid evacuation of feces from the colon. Diarrhea. A violent defecation.
"After eating at Taco Bell, I always have to blow mud."
by Kibo April 9, 2003
Get the blow mud mug.
When your sitting on the jon and your bitch sucks off your dick for a $20 bag of cocaine
"I need my fix, give me a twenty." *Plop* "You know what you have to do bitch. Start BLOWING MUD HOE!"
by The Yetti May 7, 2006
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Being so physically ill that you shit your pants while vomiting.
"Wooo! I'm goin' party till I heave and blow mud tonight!"
by Grisslebone February 18, 2009
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