someone who goes onto urbandictionary.com and defines there name.
Idiot: Dude what are you doing?
Urban Idiot: I'm defining my name on urban dictionary.
Idiot: What did you say?
Urban Idiot: I said "a crazy shorty that loves to fuck. HUGE PACKAGE. can skateboard. loves to put it in the ladies ass. has great hair. sexy as hell. has a great firm ass, and loves people to touch it. it is orgasmic to him. likes all type of music. is in love with the store pac-sun. and has a nerdy brother and he is the exact opposite as his brother."