sup my nig Share definition Flag greeting in da hood tween two bro's, equivalent to what's up bro Leroy see a friend in the hood, and says "Yo homie". Friend replys "Yo, Sup My Nig". sup my nig by Moham Gonzales November 29, 2014 0 0 Get merch Get the sup my nig mug. Buy Now — $32.95 See more merch