a traditional japanese warrior who likes to stay undercover for the most part, who lived during the age of the samurai. but know all it is is a 20 or so year old man play fortnite all day, living off sponsorships and EBoy wannabe's donations
by anonymous December 7, 2020

Someone who uses various diversions and distractions on opponents, such as explosive powders and invisibility.
The ninja knew how to be invisible to the enemy, from years of practice and chameleon-like camoflage in his/her environment.
by Solid Mantis September 27, 2019

Guy One: Remember when Danny Brown walked through soiled underwear on Rapper Warrior Ninja?
Guy Two: Man, that was nothing compared to A$AP Rocky walking on mouse traps and getting shoved into a kiddy pool!
Guy Two: Man, that was nothing compared to A$AP Rocky walking on mouse traps and getting shoved into a kiddy pool!
by N1mrod November 30, 2020

by djsmakywas March 9, 2012

by Dee Empty November 13, 2022

When somebody as an above average or otherwise huge penis when erect but shrinks to near disappearance when flaccid, or in other words vanishes like a ninja.
Example: That mother fucker has a ninja dick.
Example 2: I got ninja dick. that shit maybe 1 or 2 inches long till I get a hard on but then that shit massive.
Example 2: I got ninja dick. that shit maybe 1 or 2 inches long till I get a hard on but then that shit massive.
by Pickle Reeves May 3, 2023

When you stealthily sneak-into your girlfriend's home after her kids have gone to sleep, so you can get some.
by Ojete April 27, 2014
