2. A ghetto version of a know-it-all. An intelligent minority.
Dude2: well aren't you an Urban Dicktionary.
2. Guy1: Man I wish I had an Eggs-Box 360!
Guy2: Its called an X-Box dumb ass.
Guy1: Well excuse me mister Urban Dicktionary!
Guy2: I'm just trying to educate your ass.
Guy1: Yea but you don't have to be an Urban Dicktionary about it.