a person who thinks too much grace, mercy or anything like that is beneficial. This type of person may continue to be one no matter the consequences. It doesn't matter what wrongs someone else did the overmercist will forgive them endlessly.
"Are you an overmercist?! He failed you 10 times!"
"Dude, everyone hates him for his bad doings but you seem to forgive him anyway? You're an overmercist"
Ruler of Lake Titicaca. Rumored to have a bunghole that gets very angry if it does not receive toilet paper. Cornholio the Great is often seen walking around with his shirt over his head and his hands in the air, chanting songs about his power, and his bunghole.
"I am Cornholio! You do not want to face the wrath of my bunghole, for I need TP!"
Butthead: Shut up, Beavis! (uh huh huh huh)
Beavis: Um, okay. (heh heh heh heh).