Chicago slang for somebody who's acting like his connections are the largest of the hood and he's the most powerful man inside the web, as he's not. In fact, he's a selfish, lazy fuck who spends most of the time on his own.
You didn't mean like going out with your neighbour?
Honey, didn't I just fuckin' tell ya that this guy's mc streetwise like fuckin' hell. Dump il fuckin' bastardo