D Nubbs Share definition Flag To have large breasts only classifiable as D Nubbs. Porky: "OMG her boobs are huge..they look like.." Wisconsin: "Man those are definately D Nubs!" D Nubbs by porcupine June 5, 2005 0 0 Get merch Get the D Nubbs mug. Buy Now — $32.95 See more merch