Definitions by FUCKSHITBITCH13245215125346486

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