Ninja energy
Ninja energy flows through all living beings. Few people can master ninja energy, but when they do, it can be used to perform all manner of tasks. This can range from simple tasks such as cleaning windows, to more important tasks such as playing Guitar Hero
Alex: *sees Vikki* Fuck, I want to touch her boobies.
Matt: No way man, she'll go nuts if you do.
Alex: Not if I use my ninja energy to turn invisible. *turns invisible*
Matt: No way man, she'll go nuts if you do.
Alex: Not if I use my ninja energy to turn invisible. *turns invisible*