when a black guy, while in a group of non-black people encounters a black person and suddenly switches to an overdone hood rat voice so that nobody else but the other black person can understand what he's saying.

Named after the sketch "Substitute Teacher" from the show "Key & Peele" in which a ghetto teacher mispronounces the commonplace names of the white kids in his class
Group of People with one black guy

Black Guy: "The stock market has been on the incline lately."

-suddenly other black guy approaches-

Original Black Guy: "YAAAAA TRICK what be yo bizness round here twista? Dem hoes be therstin fo dat big dude son! Shitttt boi you ownin dat swag dawg nah as gud as me dawg but gud nuff dawg gud nuff"

White Guy: "what the hell? That's such A-a-ron Speak"
by Lesbihonest June 10, 2013
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