Ninjabation 

Noun

The act of masturbating in public or in front of someone without them noticing or getting caught.

I masturbated in the back seat of the car on the way to the movies....nobody noticed. That was some nice ninjabation.

Ninjabation by donkeygorilla October 31, 2011

Ninjamation

The guestamation of a fuckin' Ninja.

"That ninja has some badass ninjamation skills, he ninjamated the exact time that dude was gonna get punched in the face!"

Ninjamation by ThatNinja January 2, 2011

Ninjasation 

To interrupt and join a conversation with the participants unaware you have joined.

Conversation between more than 2 people and the person having the "ninjasation"

Ninjasation by Almighty Adam and Awesome Ryan February 25, 2011

Ninjabator 

1. One who masterbates without anyone knowing.
2. One who masterbates & has never been caught in the act.
3. One who masterbates & no one has any idea they do so.

"Oh, don't worry about going into his room at any time, he's a ninjabator."

Ninjabator by Ejola October 14, 2012

ninjabacon 

A ninja bacon is someone who is such a picky eater that they will stop at nothing to get their bacon, French fries, or chicken

That guy only brought peanut butter crackers and chips for lunch. What a ninjabacon.

ninjabacon by popyd10 October 20, 2018