Acronyms dictionary SBF What does SBF mean? SBF is an acronym used for both straight best friend and single black female. Related words: SWF best friend gurlfriend black girl magic Examples of SBF DO NOT CALL ME UR GBF U DONT CALL UR STRAIGHT BEST FRIEND SBF SO JUST STOP @37redflame, August, 2014 SBF- single black female, drinks tea, watch eastenders, ribbed cardigans, Wellington boots, pokadot shirts @Juaneitah #needstheD @tjaleka, December, 2012 ZOMG STRAIGHT PPL ARE SO CUTE!! STRAIGHT WEDDINGS OMG! I WANNA HAVE A SBF (straight best friend) SO WE CAN WATCH FOOTBALL TOGETHER!! @greasycigarette, August, 2016 SEE MORE EXAMPLES Just Added trigger law, bystander effect, CSI effect, Streisand effect, L + ratio Note This is not meant to be a formal definition of SBF like most terms we define on Dictionary.com, but is rather an informal word summary that hopefully touches upon the key aspects of the meaning and usage of SBF that will help our users expand their word mastery.