Pr. Noun: (Anatomy) A small protrusion of cartilage encasing the Spooch Gland at the base of the spine, occuring as a rare mutation in the human species. It is shaped like a pentagonal Stegosaurus plate, and the gland it contains secretes a hormone that allows metamorphisis into a unicorn.
1: "Wow! How did you do that? Are you an Animorph?!?"
2: "Do not question the power of the Squeeglyspooch"