slinky, n.All

A Slinky is an accordion skeleton.

Slinkies are long --- stretched out straight they measure 87ft.

A Slinky is a cat skeleton

Some people are like Slinkies - Not really good for anything, but you can't help smiling when you see them tumble down the stairs.

A Slinky is a flaccid spring.

The Slinky was accidentally invented by a naval engineer who dropped a tension springs in 1943, only to discover that it kept moving.

A Slinky is just a glorified spring.