When a fat chick shits herself while wearing a thong thus splitting the turd in half... thus the saw mill.
Rachel tried to make it to the bathroom but left a Mississippi Saw Mill in my hallway!!
by bucsfan13 February 6, 2011
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When one drops so many logs on the toilet they look like theyre headed down river to a saw mill.
"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
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