One who is involved in the scene community, but could not be classified as a scenester. Usually has some scenester friends. Somehow associated with the community (example: frequents scene parties or shows), but is obviously not a scenester.
The main distinguishing factor between halfsters and scenesters is lack of image consciousness and acceptance of non-scene culture.
The main distinguishing factor between halfsters and nonsters (those unrelated to the scene community) is acceptance of the scene community and slight involvement in the community. Nonsters do not have scenester friends (okay, they might have one or two scenester friends, but that's generally it) and are not involved in the community.
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).