swingy hangy things

It's the things that look like monkey bars but are actually longer than them. They hang from the ceiling and are swingy like a trapeze.

I swung on the swingy hangy things.
He caught himself by the swingy hangy things.

Alligator!

A way of saying goodbye to a beloved friend. Used as a shortened term for "Later alligator!".

Bye bye! Alligator!