damn bro Share definition Flag What one brotha says to another brotha whenever the second brotha does something stupid or something that is gonna get his ass whooped by his girlfriend. "Damn bro, Gina gonna kill you when she finds out you lost the rent money" damn bro by D. Ferrel September 26, 2003 0 0 Get merch Get the damn bro mug. Buy Now — $32.95 See more merch