Ninja Boat 

A Ninja Boat is not to be confused with a Ninja Boot! A Ninja Boat is a ninja boot on a bigger less attractive female.

What Leafblowers are always on the hunt for. NINJA BOAT

Ninja Boat by NinjaBootfiend November 15, 2007

Ninjabater 

One who is able to pleasure themselves in public areas with little to no indications of their actions

A male ninjabater could pleasure himself in a bathroom stall at work

Ninjabater by Turrry June 19, 2009

ninjabate 

Verb. To Masterbate with utmost stealthiness, similar to that of a ninja.

Spirited Away was such as shitty movie, I had to whip it out and ninjabate to pass the time.

ninjabate by Narcism July 16, 2008

Ninjabate 

To masturbate, fondle, or otherwise touch oneself sexually with one or more unaware person(s) in the vicinity.

"She was so hot in that movie, I just couldn't help but sit back and ninjabate."

Ninjabate by Kurrie December 29, 2007

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

Ninjabot 

A robot that is supposed to be a ninja, but is actually a samurai robot. It is often defective or it turns into its counterpart Tobojin which is destructive, dangerous, and is really a ninja.

Lawl, Ninjabot got pwned by newer PSO characters! XD
">error<"

Ninjabot by Sir Bawb October 2, 2006

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