1. A black person who happens to be good a t math. 2. A black person who teaches math. 3. More specifically a black person who teaches trigonometry.
Billy: Hey Tyler did you hear? Our trigonometry teacher this year is African American!
Tyler: Awesome, he must be a trignig!
Tyler: Awesome, he must be a trignig!
by RARRR February 3, 2008
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