ninja, n.All

What do ninjas drink?WATAH

A ninja’s black outfit is mostly a theatrical invention.

A ninja manual taught psychology.

What kind of shoes do ninjas wear?Sneakers

A ninja manual included weather-reading techniques.

A Ninja is a kind of expertise whose final test ought to be to put away dishes when one's wife's sleeping in the next room

The Ninja is a master of martial parkour

The Ninja is a karate mime.

A Ninja is always invisible. If you've seen one, you've seen a pretty bad one.

How are farts like ninjas?If you see one, something has gone terribly wrong.

The Ninja is supposed to be invisible. As such, what if every country has ninjas but we only know about Japans because they are the worst?

If you type “ninjas” into thesaurus.com It said “ninjas cannot be found”.Well played ninjas, well played.

A ninja, a priest and a rabbi walk into an Irish bar. "Welcome to both of you," says the bartender

A Ninja is an asian cowboy