When a fat chick shits herself while wearing a thong thus splitting the turd in half... thus the saw mill.
by bucsfan13 February 24, 2011
Get the Mississippi Saw Millmug. "Dude where have you been??!! Youve been in the roilet for a half hour!" "Sorry bro i was sending a bunch of logs down river to the saw mill."
by Idonthavenopseudom&m December 24, 2020
Get the Saw millmug.