(n): any structure that branches out from a central support
(n): a round handle
(n): the appendage to an object that is designed to be held in order to use or move it
(n): any thickened enlargement
(n): a shape that curves or bulges outward
(n): an ornament in the shape of a ball on the hilt of a sword or dagger
(n): something used to beautify
UK slang for penis.
Seems somehow appropriate!
Bonk in reverse.