A covert term for a white girl who loves the BBC, or big black cock. It's a good way to say that a girl likes dark meat without openly saying that, as well as a play on the term for someone who subscribes to the traditional British Broadcasting Corporation.
Guy 1: Yo, did you hear that girl got pregnant by a black guy?

Guy 2: Not surprising, she's a known BBC subscriber.
by Devveyovich May 19, 2013
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