BTWR
BTWR is an acronym for Black To White Ratio.Usually used when describing a rap concert(where there is a lot of the black community), or an opera hall(vice versa).
Jim: Yo, how was that 50cent/Kanye West concert last night?
Bob: It was alright, but the BTWR was about 95:5.
Jim: Damn.
Bob: It was alright, but the BTWR was about 95:5.
Jim: Damn.