Definitions by Twolizard
MOP
mop stands for Morbidly Obese Person someone who fat people call fat. If you were a mop and fell down you would not be able to get back up easily because you are too round.
Mopit
Mopit stands for Morbidly Obese Person In Training. Generally a child being raised by obese parents who don't make good decisions for their children. Someone who is fat and on their way to being morbidly obese.