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

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 fapper 

To masturbate/fap silently.

Dave: Why is fapping called fapping?
Max: Because fap is the noise it makes.
Dave: I've never heard that before ..., I must be some kind of ninja fapper

ninja fapper by honkthedonk January 17, 2013

Ninja Fapping 

When ninjas are fapping to you while you're asleep. (Mostly on "No Nut November")

Jake: I got ninja fapped yesterday
Johny: damn you Ninja Fapping

Ninja Fapping by CoolDude137 October 14, 2018