A term used to describe "McDonald's Restaurant", referring to those who are usually found working there, eating there and generally congregating around the place.
Homie #1: Yo Dawg, I wanna get my eat on, let's bounce to Black Mac".

Homie #2: Shiiiit, you be reading my mind.
by Birdiee May 4, 2007
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Tall black guy who is very attractive and has a very big penis
(girl1) Did you see black cheddar Mac?
(girl2) yeah his penis is huge
by Albert lEinstein March 15, 2017
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