Mississippi Saw Mill Posted in M Best definition Mississippi Saw Mill 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!! How satisfied are you with the definition? Looking for Mississippi Saw Mill meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 84 times.