Cubbyfloof (floofinition) – Birds, fish, and animals, particularly housepets, who enjoy hiding in small spaces.
In use: “Spock, the large goldfish, was a true cubbyfloof. He loved wriggling into the tiny castle on the aquarium’s bottom, and was so adept at it, staying still and hidden within its confines for long periods, that people looking for him often wondered if he’d escaped.”