When you take a shit in the tank of a toilet, and every time you flush, brown shit water fills the toilet instead of clean water. Looks like a mudslide.
Jose: Dude I just did a Northern Mudslide in Alex's toilet
CJ: Is that why the toilet water's all brown?
Jose: Haha yea!
CJ: Is that why the toilet water's all brown?
Jose: Haha yea!
by Chaled September 1, 2009