ninja farter

The act of farting around others and trying to cover the fart noise with another noise such as coughing, clapping, banging on something, etc.

"Did that guy just ninja fart or was he really coughing that loud?"
"Jessica, you are such a ninja farter...we all know why you were really clapping."

by Joey3 April 26, 2006

Bin Ninja

The lazy or retarded ninja that hides behind a bin or barrel well his ninja brothers hide in the shadows.

Person 1: Dude did you see the ninja that came out from behind the trash can well his friends attacked from the shadows?

Person 2:Yah that lazy fuck is the bin ninja!

by jdl7889 November 26, 2009

Smug Ninjas

Cyclists appearing from nowhere, who pass the cars which have already stopped for a red light.

Driver: 'I did the decent thing and stopped on amber, only to forsake the next light because I was blocked by a gazillion Smug Ninjas, who turned-up before I could break away'

by little-miss can't do wrong September 9, 2011

Ninja-Roll

When you leave an event, party, or group of friends without saying good-bye.

I was so drunk last night I had to ninja-roll before I made a fool of myself.

by NinjaMang March 30, 2009

information ninja

A master in the ways of gathering information. And does so in a way in which is secret and sly without anyone know you are gathering the pieces to the puzzle.

example "Coman is an information Ninja, how did he know about that for two weeks"

by Josh Herring December 26, 2008

Ninja

Badass, destructive... basically everything in the world that makes you glad you have a dick.

Guns are Ninja. Sex is Ninja. Killing terrorists is Ninja. Killing in general is Ninja. Bombs are Ninja. Beating someone is Ninja. Stealing massive quantities of money is Ninja. Eating meat is Ninja.

by Youou March 1, 2008

ass ninja

A mythical being who exists to give people wedgies. As with the Tooth Fairy, Santa Claus and the Easter Bunny, the Ass Ninja visits all the little boys and girls in order to bunch their underwear at the worst possible times.

"Dude I totally just got visited by the Ass Ninja! Cover me while I pick my underwear out of my butt."

by Dark_Angel August 25, 2012