1. To rapidly and steadly down-grade one's own motivation and progress in anything relating to life. Eg. fucking up or losing in life.
2. The event in which an airborne object front-end(line-of-vision) first descends toward the earth.
3. Actively snorting cocaine on a regular daily basis. Snorting cocaine with addiction.
I don't nose-dive anymore.
or
That man has been nose-diving since he quit his job and ain't working.
or
His frisbee toss took a nose-dive into the mac and cheese dish at the barbeque.
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).