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Nickname that stands for "butt buddy boy" and is given to a male homosexuals. The one who is given the name is the one who is the "women" of a gay relationship.
Rachel: Look at those two. Don't they make a nice couple of homos.

Michelle: Yea, the skinny one with the skinny jeans is gayest looking one it's obvious that he is the BBboy of that relationship.
by JanetJamet December 11, 2009
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