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1. A dumb ass person who thinks they're smart.

2. A ghetto version of a know-it-all. An intelligent minority.
1. Dude1: Did you know Jesus was a Jew?
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.
by Steve Stephalonavich February 17, 2013
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