quicker than the shortest way possible from point A to point B. Usually utilising unknown shortcut, back alleys or secret routes.
After arriving at their destination in record time, the rabbi says to the preist, "Damn thats the f#*kin ninja route and sh*t!"
by halluciphile October 28, 2003

Theo: Yo, check this video out.
Germaine: Are you serious? The guy next door is one of those youtube ninjas. He showed me this clip two months ago.
Germaine: Are you serious? The guy next door is one of those youtube ninjas. He showed me this clip two months ago.
by William Forrester II February 10, 2009

by Axel Ardinger November 29, 2003

When you wipe after you shit and the paper comes out clean... Like the shit was never there... mysterious and stealthy...
by Jfranklin February 28, 2007

by Dr. Gus March 18, 2003

(noun) 1. a player of the online FPS Infiltration who displays a marked ability to kill an opponent with great speed at close ranges. often while armed with a knife.
2. a player that fires on opposition forces to great effect, while moving or concealed in deep shadows.
3. a player who kills most or all of the enemy team without being shot or disabled. Often a veteran that is picking up slack for a noob and deserves praise.
4. a skilled INF player who commands respect, despite using overt tactics.
5. used derogatorily towards players that uses cheap or cheesy ambush tactics that do not reveal their location. Also a player that does not give quarter, especially in the first few seconds of combat, when quarter may be due.
6. any person or object stealthy, skilled, armed with a gun, treacherous or otherwise similar to an INF ninja.
2. a player that fires on opposition forces to great effect, while moving or concealed in deep shadows.
3. a player who kills most or all of the enemy team without being shot or disabled. Often a veteran that is picking up slack for a noob and deserves praise.
4. a skilled INF player who commands respect, despite using overt tactics.
5. used derogatorily towards players that uses cheap or cheesy ambush tactics that do not reveal their location. Also a player that does not give quarter, especially in the first few seconds of combat, when quarter may be due.
6. any person or object stealthy, skilled, armed with a gun, treacherous or otherwise similar to an INF ninja.
1. Dude, no way you can kill him with that knife. Holy shit you just did! you are an INF ninja!
2. Who, I almost shot you man. you're an INF ninja in those shadows.
3. Oh snaps! our INF ninja is taking tan-team OUT!!
4. Watch out, that guy with the SAW is an INF ninja.
5. Arg! I take ten steps and I'm dead. Damn INF ninjas!
6. Man, those guys in the film Returner were INF ninjas.
2. Who, I almost shot you man. you're an INF ninja in those shadows.
3. Oh snaps! our INF ninja is taking tan-team OUT!!
4. Watch out, that guy with the SAW is an INF ninja.
5. Arg! I take ten steps and I'm dead. Damn INF ninjas!
6. Man, those guys in the film Returner were INF ninjas.
by Lt. August 10, 2004

While a girl is giving you head..right as you cum karate chop her in the back of the head then stick your dick in her nose
Guy 1: Dude this girl was giving me head then i totally did the ninja nosejob on her
Guy 2: Thats fucking gross man...thats messed up
Guy 2: Thats fucking gross man...thats messed up
by sandman142 August 17, 2010
