Steff Share definition Flag A sexy girl that has huge ass knockers. Can usually be found with her two best friends shopping at the mall and gossiping about boys or something. man 1: hey who dat girl man2 : her name steff man 1: she has huge knockers Steff by sexy ghi June 11, 2020 0 0 Get merch Get the Steff mug. Buy Now — $32.95 See more merch