S.S.4 Share definition Flag Noun. Slang for zombie. Made popular by Rob Zombie in his song on the Devils wing. Man! That S.S.4 is making scary noises! Said the monster hunter S.S.4 by B-rizzle December 14, 2018 0 0 Get merch Get the S.S.4 mug. Buy Now — $32.95 See more merch