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2 definitions by Nicsta

 
1.
Often refering to poop. Another name for poop.
She took a big ass boo boo.
by Nicsta July 27, 2009
 
2.
Mud butt is just another term for "Diarrea".
You chugged a bottle of soy sauce?

-Yeah.
Your going to have a serious case of mud butt, very soon.
by Nicsta July 31, 2009