boojum
/ˈbuːdʒəm
/noun
An imaginary dangerous animal.Mine seem to vanish as though a plague of boojums is lurking in the corner of my hallway....
- He stood in the doorway for a few moments, wearing in wide leather trousers, his chest bare but for a chain of boojum claws.
Origin
1876: nonsense word coined by Lewis Carroll in The Hunting of the Snark.