ninjacity

adj. to have the attributes and characteristics of a ninja.
First used in the primal circles of the ninja clans to describe the measurement of a ninjas ability to do ninja like things.

He had so much ninjacity that the pirate never even saw his death coming.

He killed that man with so much ninjacity that his head splattered across the entire room.

ninjacity by Jon Schroeder October 23, 2007

Ninjavitis 

A condition marked by frequently startling people on accident, such as while walking up behind or beside them to say, "Hello." Most accurately described as pervasive accidental sidling.

Ninjavitis most commonly occurs among those who wear wrestling shoes, women with small feet, and the Japanese.

Person 1: (Casually walks up beside Person 2) Hey, man!
Person 2: Dude, you scared the crap outta me! It's like you've got ninjavitis.

See also: sidler, sidle

Ninjavitis by The Cruz October 19, 2010

Ninjavitus 

A rare disease that gives you the skills of a level 8 ninja master.

Ninjavitus symptoms may include friends and family dying from sudden and uncontrollable karate chops, and the urge to carry ninja stars.

Ninjavitus by Evan Salas March 27, 2007

Niggacity 

The audacity (bold willingness to take a risk) of an ignorant person to try something that is clearly out of line.

The niggacity of him/her to try that.

He had the niggacity to show up 3 hours late for dinner and wonder why I was upset.

She had the niggacity to say all black people eat chitterlings.

Niggacity by Oonome January 6, 2020

Ninjanuity 

An idea, invention or action that surpasses ingenuity in a sneaky way.

Now that's what i call ninjanuity!

What a ninjenuous idea!

Ninjanuity by Joey Shithouse March 2, 2007

Ninjavited

Short for "Ninja Invited" (see Also "Ninja Invite")

A term in on-line gaming, especially World of Warcraft. It's the process of inviting someone to join your group (party, raid or guild) without politely asking them first.

"Sorry, Honey, as soon as I logged on I got Ninjavited to the raid"

"We need someone to dps, just ninja-vite someone from LFG"

Ninjavited by Laliho August 7, 2009

Ninjarito 

1) -verb
to take the last item left from somebody that is typically saved until the end because it is the best or most appetizing. Usually, this is most likely being the best chip in the bag, best cookie, juiciest bite of a sandwich, last sip of a drink, etc., but can be anything that is saved for the last

2) -noun
name for a person that commits the act above

Justin: "This last Dorito is going to be so, damn good."

*Anthony grabs the bag and eats the chip*

Mike: "SWOOP!"

Justin: "You ninjarito basterd!"

Mike: "You just got ninjaritoed!"

Ninjarito by lilkobes08 July 29, 2009