the intentional slurring together of the English words forget + about + it toward the effect of expressing surety, wonder or degree of approval; the usage is largely associated with New York soldiers of the mafia.
The physical space where you forgot why you left one room to go to another room to get whatever it was you wanted, sometimes forcing you to go back to the first room. Maybe several times.
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).