GAB
gab
gab by RetartedGay May 30, 2018
gab
acronym for "grow a brain". usually used in reference to someone lacking common sense; often used as a stand-alone word as a comeback or a response to a comment or thought made.
Gab
Acronym for "gay after beer". Commonly seen among college frat boys who think and act like they're totally straight, yet engage in various homosexual acts once intoxicated.