QBAF Share definition Flag Quit Being A Fag, an abbreviation specifically for use in sms and texting. Also useful in IM's. Usually invoked in response to unwarranted bitching. Jake (texts): where r u guys im at the bar waiting 4evr!1 Tyler (texts): QBAF we r pullin up now QBAF by mayasd May 28, 2008 0 0 Get merch Get the QBAF mug. Buy Now — $32.95 See more merch