MTO SHOCK VIDEO: Female MMA Fighter Gets The SH*T Beaten Out Of Her . . . And We Mean That . . . LITERALLY!! (EEEEEWWWW)

A female MMA fighter named Justine Kish had a bowel accident - as she was getting BEAT UP in her latest UFC bout. We're told that this is NOT UNCOMMON in the sport.

But it sure is NASTY . . .

Justine, 29, is an American-Russian mixed martial artist who competes in the Ultimate Fighting Championship (UFC) Strawweight division.