Packmate Share definition Flag A packmate is the co-existing animal within your pack or family, usually a number of dog(s). Rufus: "Bark bark bark, bark bark bark"Fuzzy: "Barkity bark bark"Rufus and Fuzzy are packmates. Packmate by TheDoritosCheeseMan July 18, 2011 0 0 Get merch Get the Packmate mug. Buy Now — $32.95 See more merch