Rostered Share definition Flag To look up an athlete on a roster or to just be creepy when you find out a hot guys jersey number. "I just rostered that football guy!" "OMG, no way! What was his number?" "#12!" Rostered by PrincessNattlez May 5, 2014 0 0 Get merch Get the Rostered mug. Buy Now — $32.95 See more merch