mud butt 

Just as it sounds. When fecial matter is compounded in between your cheaks. Word created and then made popular by Dave Chappell doing a skit on his show about the side effects of "Ribs", a sleeping aid for black people.

I got mud butt while laying in bed after eating some ribs.

mud butt by ZacBowling.com October 6, 2004

Mud Butt 

-adjective
To possess ample enough diarrhea within one's body wherein it becomes humanly impossible to contain. After such an event, said "mud" escapes from the body usually attacking the underwear first, then outerwear...

Man, my girlfriend and I went to that all you can eat spicy taco night. I had mud butt so bad I had to throw my underwear away.

Mud Butt by Lungcheese February 18, 2009

Mud Butt 

As opposed to explosive diarrhea which is normally cleared in one cataclysmic event, mud butt is characterised by soft stool that may take several attempts before being cleared from one's bowels. Mud butt is an uncomfortable feeling of needing to shit but knowing that there just isn't enough back pressure to deal with the backlog of soft fecal matter.

I had a terrible sleep last night, drank six coffees this morning, and now I have a bad case of mud butt.

Mud Butt by Mister Mud Butt September 9, 2019

mud butt 

horrible runny shyt; anal leakage

::WARNING::
Eating WOW potato chips may cause mud butt.

mud butt by Bongwater April 15, 2004

mud butt 

a severe case of diarrhea.

My friend Kris ate bad sushi last night and today he has mud butt.

mud butt by EVCESQ January 30, 2007

mud butt 

the true "definition" of mudbutt,(all the rest are other peoples versions) is: the condition of the anal region where ones crevice between the ass cheeks becomes hot and saucy due to sweat, buildup of underwear residue, and poor wiping abilities. It is almost certain to happen to anyone on a real hot summer day if they:
1)wear dirty and/or heavy clothes
2)do not shower
3)have recently deficated
4)have participated in exercise

After walking through the city all day with a pair of jeans on, John developed a case of "mud-butt".

mud butt by Marc Micheline January 22, 2005

mud butt 

(muhdh - buht) n. med. (usu. pre. by 'the') Mud Butt is a common affliction of the anus and the glutteal crevice, affecting mainly (but not limited to) "heavies". The condition usually occurs 30 to 45 minutes after defecation, especially if sufferer engages in physical activity within this time. Sweat and some remaining feces (though one's wiping habits may be immactulate) mix in the glutteal crevice, causing mild discomfort and, if not treated, a raw ass.

See how Rico is walking funny? He took a dum about 30 minutes ago. I bet he's got the mud butt.

mud butt by Pork King November 5, 2005