BANC Share definition Flag Short for “busting a nut crying.” Opposite of lmao or banl (busting a nut laughing). Chad: Dude my pet gecko just died. Jim: Ugh banc dude. Chad: Thanks homie :,( BANC by The Walking Snake June 22, 2019 0 0 Get merch Get the BANC mug. Buy Now — $32.95 See more merch