43
Practitioner of a martial art developed as a means of countering Samurai military power and monopoly of single-edged swords. Erroneously thought by many to have evolved in Japan. Revealed in "Batman Begins" to actually be practiced way up in the mountains in Tibet, thus rendering Ninjas safe from any surprise attacks from the Samurai, who did not live in China.
Hello Bruce Wayne! I am an Irish Ninja living in the Himalayas, and I am here to teach you to be Batman!

WTF? You aren't going to burn down dad's mansion, are you, you crazy lamestain?
by Juan Non-lamestain August 01, 2008
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
44
VERB: this is the verb tense of ninja. to ninja is to do an extraordinary feat that would require the skill of a ninja.
guy 1: "dude i totally ninja'd up that pole to get to my balcony"

guy 2: "how?"

guy 1: "been watching ninja warrior"
by Ramsey K December 27, 2007
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
45
A really hardcore fan of the band Nine Inch Nails who feels the need to dress as a ninja at every live show. (Can also describe the "super-cool" people who wear Nine Inch Nails shirts to the Nine Inch Nails show.)
"I am the NIN-ja, you will all bow before me, for I am the Nine Inch Nails SUPERFAN!"
by Joseph and Beth July 11, 2006
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
46
teenage mutant turtles trained by their giant rat master
ninjas are turtles as well as mammals
by Raphael April 01, 2003
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
47
Ninja has no definition as Ninja cannot be defined
OMG a Ninja*decap*
by The only real ninja here March 01, 2010
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
48
adj. something extremely badass (often in a stealthy way)
Dave: You stole your dad's car and had sex with your girlfriend in the backseat and made it home before he woke up for work the next morning?! Dude, that is totally ninja!
by fauxamis April 15, 2006
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
49
A slang term, made famous by the rap group the Insane Clown Posse, meaning Homie, or freind
Juggalo 1: What up, Ninja?
Juggalo 2: Not Much,Homie, Got some Faygo?
by Matt Stegall June 19, 2007
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

Activity

Alphabetical list