nincompoop

a silly, no brain, fool

Aaron is a nincompoop.

by Yen January 5, 2000

ninja walk

When one rolls instead of walking.

Dude, we ninja walked home!

by Papaya and Tangerine Jones March 7, 2008

Ninja Props

Similar to regular Props but sneakier and moar fully awesome

Can only be given and received by truly worthy people

Editors who put up with the shit that people try to post stupid shit on UD all the time deserve major ninja props

by RainbowNinja July 6, 2009

Ninja Nipples

What a woman has if she goes all day without a bra on and no one noticed.

We were out all day with Jane and never noticed she wasn't wearing a bra. It was nipply out and she wasn't wearing a jacket either. The woman's got ninja nipples!

by ShrewdSimian May 31, 2010

Ninja Dip

Leaving with out saying good bye.

Where did brad go? Man, he must of ninja dipped again. WTF?

by CameronKilla1881 October 21, 2010

ninja fart

A silent, yet super stinky fart.

I love to release my Ninja Farts just before exiting the elevator.

by Jeff Artist November 28, 2006

ninja quickness

used to refer to someone doing something quickly like a ninja.

Do it with the ninja quickness... we're in a hurry.

by YourMom July 6, 2004