1 definition by houseboy444

Abbreviation of: Big Ol Bottom.

Utilized in the gay community as a term of endearment, or as a pejorative term, to describe an individual who adamantly prefers the 'bottom' role during sexual intercourse, with great pleasure.
Mason Wyler loves getting gang-banged, he's definitely a B.O.B.
by houseboy444 December 17, 2009
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