BDAC Share definition Flag Acronym for cougar wannabees who have the skanky prerequisite yet fall short due ugliness.Broke Down Alley Cat Guy 1: Hey, check out those two hot cougs over there!Guy 2: Cougs? Are you serious? Those aren't Cougs, they're BDACs! BDAC by druke May 19, 2009 Get the BDAC mug.