Typo Ninja

The person who is responsible for spontaneous occurrences of typos or other errors within text.

Guy: ring over the textbook when you come
Girl: ... what?!
Guy: agh, I meant "bring"! The Typo Ninja struck again!!!

Person: I waers going to the store
Person 2: Whoa, Typo Ninja got you there.

by Kelila December 1, 2009

ninja girlfriend

A mistress. A sexual partner that is unknown to the rest of the world, she is kept hidden from the public, and from the publicly proclaimed girlfriend and wife, mate, live-in spouse.

The dude's married but is looking for a ninja girlfriend anyway.

by GEO Z October 14, 2006

Wifi Ninja

Someone who connects to a Wifi hotspot, without the owner knowing it.

A: Where are you?
B: Near a gasstation.
A: Hotspot?
B: Yeah.
A: Cool... Wifi Ninja!

by Artem_the_kid October 16, 2008

Ninja Ball

The act of farting into one's own hand, then "throwing" it into an unsuspecting target's face.

"Brian threw a ninja ball into Greg's mouth."

by Joe May 27, 2006

Nerf Ninja

The act of someone acting like a complete retard only to destroy his own reputation in attempt to gaining one

kid: Hello folks, i am your nerf ninja

others: wow, what a faggot

by IamPerson1 December 29, 2009

quim-ninja

any male who uses martial arts on a vagina. results may vary

I had no idea Steve was a quim-ninja, until he dragon punched my uterus last night.

by RossBC September 11, 2005

ninjas on fire

A synonym for something so kickass it could only be Halo 2. Stems from a speech by Jason Jones.

"Halo 2 is alot like Halo 1, except it's Halo 1 on fire going 120 miles per hour through a hospital zone chased by helicopters and ninjas. And the ninjas are all on fire too."
-Jason Jones

by Zuka July 14, 2004