Suddenly becoming obsessed about a single piece of work, a series, or a narrow area of pop culture. Similar to geeking out, though can be used to describe becoming obsessed with non-geeky things.
Nora is constantly spouting crazy theories about Inception. She's gone completely okapishit for it!
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).