Ou-babies Share definition Flag Pants that are so tight, when you walk by, people turn their heads and say, "Ou, baby!" I was at the mall the other day and saw an emo kid sagging his ou-babies. Ou-babies by Thepapabear July 13, 2011 0 0 Get merch Get the Ou-babies mug. Buy Now — $32.95 See more merch