woof Share definition Flag A word used to describe supreme ugliness, used in place of something like, "Gross!" or "Eww..." or any other childish word. Bill: Omg, Bob, did you see that fat chick? Bob: Yeah! Woof! woof by Mr. Squakity September 27, 2004 0 0 Get merch Get the woof mug. Buy Now — $32.95 See more merch