Underground yuppie 

A young urban professional (yuppie) who deals in illegal or unsavory business; typically drug dealers, arms dealers, organized criminals, murderers for hire, gang members, pimps or prostitutes, thieves, etc.

Scarface was the paradigm underground yuppie climbing the corruption ladder, using the piss-ants around him as wrungs.

Underground yuppie by Snowflake 2.0 August 5, 2012