This happens when you leave a windy shit between the breasts of a woman while you straddle her neck for a blowjob. (A close cousin to the Cleveland Steamer.)
by Chester January 11, 2005
 Get the pasadena mudslidemug.
Get the pasadena mudslidemug. Similar to the Cleveland Steamer, but the person doing the shitting has diarrhea. Simply put, 'the mud goes down the mountain.'
by FlithyLyrics October 24, 2008
 Get the Pasadena Mudslidemug.
Get the Pasadena Mudslidemug. by sala January 17, 2003
 Get the Pasadena Mudslidemug.
Get the Pasadena Mudslidemug. by Jay November 25, 2003
 Get the Pasadena Mudslidemug.
Get the Pasadena Mudslidemug.