A reference from Harry Potter for having the ability to talk to snakes. This reference is used when someone has mastered the art of not just giving a good blowjob, but giving the best blowjob ever!
Man, Becky legitimately gave the best head ever! I don't know how she made my head spin like that, but damn she must've known parseltongue.
The process of masturbating into a dead snake carcass, only to realize that the snake is still alive.
Mate, I was in the bush last week and felt a bit horny so grabbed a dead brown snake to do the business and it came alive! I got totally parseltongued!
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).