it is a widley used acronym for "sucking big black cock."
Sabby: Hey Julie ! I heard you like to SBBC??
Julie: Occasionally... only when I'm super wasted!
by cherryblossomjulie December 21, 2011
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Smoke Blunts, Bust Cunts.
Today, my girlfriend and I SBBC'd -- we got blazed and then I smashed her.
by SBBCMaster January 24, 2011
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