ninja burn

To unexpectedly burn anyone after being idle or silent during a conversation or situation.

To insult successfully without being involved.

Some guy ninja burned us on the bus today.

The only time Rob ever says anything is when he sees the opportunity for a ninja burn.

by yournamesalreadybeingused October 16, 2010

Rebellious Ninja

A person that is capable of doing all things in an unthinkable way

E.g. Meaghan is a rebellious ninja

by mapineapple August 28, 2012

urban ninja

A person in dark clothing who darts out in front of your moving car at night. Any person appearing out of nowhere in an urban setting.

God damn these urban ninjas! You can never see where they come from. One day I'm gonna accidently run over one of these motherfuckers on the way to Taco Bell!

by Sgt. Abe Carver October 3, 2004

Hobo Ninja

An entity, either homeless or appearing so, that practices the stealthy fictional arts of Karatsu, Tae Kung, etc. Usually carry at least one eating utensil as a weapon. You can find at least one of these in Grand Central.

The Hobo Ninja would have used his centered force to drop a mountain on you, but the soup kitchen opened early.

by Hobo Ninja June 25, 2004

Ninja Library

The quietest place on earth.

I'm really surprised at how things are at the Ninja Library, very quiet !

by izcool May 10, 2008

ninja turtles

It is a group of 5 frineds Leonardo, Raphael, Michelangelo, Donatello and their sensei, Master Splinter and they spend their nights making fun of others behide their backs and they get a kick out of it.

I went out with the ninja turtles last night and they are still the same old people making fun of people it is just sad.

by Avery Manshake January 13, 2008

nagger ninja

A human being having the power to know everything about anything. They also have supper strength. They are not able to fly because no Ninjas are able to fly, thats just crazy. They are normally found with curly hair and are full blood jewish. The way you know if you've really found a real life Nagger Ninja is by them presenting legal documentation of a black belt with their name on it. Nagger Ninjas can be very dangerous, DO NOT approch them if you are half cuban and half bosnian.

OMG, i just saw a Nagger Ninja fly!

that would be a perfect example of something crazy.

by Ninjanagger December 25, 2010