Macrofloof (floofinition) – A very large fish, bird, or animal, especially housepets.
In use: “Pancho, the Maine Coon Cat, was a natural macrofloof. Tall and long, Pancho weighed almost thirty pounds, but compared to his buddy, Cisco the Newfie, Pancho was almost a tiny beast. Almost. Cisco was a mega macrofloof.”