Similar in nature and function to a regular bitch, however is differentiated because the bitchstress is even MORE of a bitch than the main/regular bitch. However, because the existence of the bitchstress is often shrouded in mystery and is rarely visited upon, the bitchstress cannot be considered the main bitch.
Joe: Dude you look like you got caught in a hurricane! What happened?
Bill: I just got back from seeing my bitchstress...
Joe: Woah you have one of those? I thought they were myth, you're a real glutton for punishment aren't you?
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).