ninja

For males, it means that they have a very small penis.
For females, it means that they have very saggy breasts and vaginas.

Jack: I can go on that roller coaster!
Jill: But that one has the restraints that hurt your 'ya kno wats'...
Jack: So? It doesn't hurt me!
Jill: EVERYBODY JACK IS A NINJA!

by The Creators August 22, 2008

Ninjas

True ninjas cannot be found. Not even on urbandictionary.

Bob: "Hey have you seen any ninjas lately?"
Ray: "No, I don't believe in ninjas"

-Bob is secretly a ninja

by wayfinderisaac October 4, 2012

the ninja

(n): acquired immune deficiency syndrome (AIDS)

a serious (often fatal) disease of the immune system transmitted through blood products especially by sexual contact or contaminated needles

"I heard Magic Johnson caught the ninja"

by Tommy March 25, 2003

Ninja

Ninja was a fortnite streamer until he tragically died of ligma in the middle of one of his streams there is a common streamer who took his name and his legacy and very few know the original Ninja is dead. The new one is about to die of the tragic disease of suckma and is a terrible understanding of people playing. He is the most un egotistical person in the twitch community. He also cause the burning of notre dame

Ninja shagged my grandmother

by Vector Died For Our Sins April 17, 2019

ninjaed

To stealthily edit published online content after the fact, correcting a mistake - either factual or grammatical in nature - after a commentator has called out said mistake (usually in the comments section) without the original author acknowledging that an error has occurred.

What happened to the part in this article about (erroneous element)? It's totally gone!

Dude, the author ninjaed that part already.

by T.Kovacs June 18, 2011

Ninja

A mercenary or warrior who is trained in the art of ninjutsu, or a Japanese martial-arts style which involves stealth, speed, mastery of various weapons and poisons, efficient and deadly combat tactics, and the will to commit seppuku, or suicide, to defend the honor of a particular family or clan.

The ninja's movement was like the water rippling against the disemboweled corpse of the samurai who dared to challenge him.

by AYB February 23, 2003

Ninjaness

The act of being a ninja or doing ninja related things, such as jumping building, running with your hands loosely behind you, or climbing up trees and hiding until your "Target" approaches.

He displayed his awesome Ninjaness when he jumped from that K-mart to the Subway.

by Brian the Ninja December 21, 2006