Nice-T, Clarification, Mail

I still can't make sense of Ice Cube's line from "Wicked":

Kickin' out girls that's nicety

Yo, I gotta' body count like Ice-T.

I get the Ice-T reference (Body Count was the name of his lousy heavy metal band) but what's nicety? Maybe a derivation of nasty? Or a portmanteau? Or maybe I'm just ...