by w00000000000t July 20, 2008

A group (ninjas) or single person (ninja) that is trained in the martial arts. They are the coolest thing on the planet and live in competition with pirates.
Ninjas are so cool that I flipped out, kicked my mom in the face and crapped my pants all in one motion.
by MistahTom November 2, 2005

by B0NZI June 22, 2007

A non-word used by people who don't know that:
1. There are no plurals in Japanese and
2. Pluralizing Japanese nouns makes them sound like verbs.
1. There are no plurals in Japanese and
2. Pluralizing Japanese nouns makes them sound like verbs.
by Zhaleskra March 12, 2007

you better watch fucking them hos, or banging anyone after yo cuse you know that ninja be lurking and he alive and well and is known to just pop up
by thought August 29, 2012

by LittleDintheD April 6, 2007

crazy ass mother fucker blackbelt who can whoop your butt without you even knowing they are there. Crazy skilled, stealthy, never seen. usually teens and mid 30s. Quick moving and very effective.
by ray-cait-whatev April 3, 2010
