fap ninja 

one who masturbates in public without being cought and leave no trace of evidence

tom: why is my chair so sticky

Jerry: damn fap ninja!

fap ninja by smurf herder 69 September 20, 2011

Fap Ninja 

A Fap Ninja is someone who can masturbate on several occasions without ever getting caught.

Person One: "Whoa bro, I didn't even get caught, again!"
Person Two: "Whoa man, you're a real Fap Ninja!"

Fap Ninja by Shadowwolf97 October 29, 2014

Fap Ninja 

A Fap Ninja is someone who can masturbate on several occasions without ever getting caught.

Person One: "Whoa bro, I didn't even get caught, again!"
Person Two: "Whoa man, you're a real Fap Ninja!"

Fap Ninja by Shadowwolf97 October 29, 2014

ninja fap 

The art of masturbating in a high/semi-high traffic area in your home or in a public area without anyone catching you or being suspicious of anything.

All of a sudden I got really aroused in a public place so I had to ninja fap

ninja fap by FUCKSHITBITCH13245215125346486 April 24, 2011

ninja fap 

Its when you secretly beat off for someone else to find later.

"Every morning I ninja fap in the shower. And my dad thinks thats soap between his toes."

ninja fap by dave_dew January 21, 2007