1. An umbrella term (most often used OUTSIDE the city) encompassing all urban vernacular as one language.
2. Inner-city slang.
1. Of or relating to inner-city slang.
'Urban Dictionary is essentially your guide to Urbanese.'
'Rap, gangsta, jive, hood, ghetto, ebonics... it's all Urbanese.'
'Two weeks in the city and she's already speaking urbanese.'