Usually a male in his midteens to to mid twenties who constantly smiles and slides in poor taste jokes at inappropriate times. Usually slightly over weight, tall, wears glasses (broken) and has a hygine problem. Unable to interact socially with others or hold a job, and has carried the title of dork when younger.
See that guy with the big feet, greasy hair and the baggy pants?
You mean that dufuce with the broken glasses over there?