Definition of streetwise:
(adj) :
having the necessary knack, personality and
instinct for survival in
rough,
urban environments; possessing a style that embodies the life and microculture located within
urban settings, typically in the States
"you could tell from the way he spat old Tupac lyrics, loitering in the corner with his homies, flipping that Yankees cap on his head like he couldn't give a damn that he was streetwise enough to melt Will Smith."