by Seymour Buttz October 28, 2003
When you take a huge dump, and either run out of toilet paper or otherwise neglect to wipe your anus as sung about by the rapper "Chamillionaire" in his song "Ridin' Dirty."
Karl Blessing can frequently be observed riding dirty, as is evident by the fact that he smells like shit.
by seymour buttz April 19, 2006