Urban means relating to or concerned with a city or densely populated area, The term is exploited by corporations such as MTV to refer to black music/culture, without mentioning race.
Anything Urban = $$$$.
Suburban Kid 1: Dude I'm totally Urban, Check these new Timbalands, homie.
Suburban Kid 2: Naw Dawwwg. Fa Shizzle. Im rockin dis new White Tee, Ya feel me?
Suburban Kid 1: ohh shit here comes a real black person, be quiet buddy.
Suburban Kid 2: Oh oh yea, Marily Manson is like totally awesome.
Suburban Kid 1: Ok ok hes gone dawg.
Suburban Kid 2: Fa Shizzle