ninja swipe

to discretely (like a ninja) tuck an erection under the waistband of underwear or belt line of pants.

a true ninja swipe is done in one swift motion.

yo, i was freeballing in my sweats when i got a boner- i had to ninja swipe that shit so it wouldn't look like i was proppin a tent

by princealberto July 7, 2009

Ninja Lag

The warping of time and space so that a real event happens after it theoretically should

an example of ninja lag, in anime is when swordsmen or ninja slash their swords at each other, sometimes they have time to put their sword back into the sheath and walk away before the other person is actually cut by the blade.

by Sweaty man in your 7th period September 15, 2009

Ninja Eyes

The act in which one uses the "Ninja Eye" to stealthy check out a female.

Only the masters know how to use the Ninja Eyes.

by blackbeltinninjaeyeism October 14, 2009

Ninja-Signing

When an author secretly signs his/her own books in a bookstore without the bookstore's knowledge.

Brandon Sanderson is ninja-signing books in airports.

by jackatthekilns November 10, 2009

Ninjamaica

1. The title and character of a show pilot for the Canadian television network Teletoon Detour; "Ninjamaica"

"yo mon, did you catch dat episode of ninjamaica last night?"

"haha yeah, that show just makes me think 'what de bom bom?' "

by Theabes January 8, 2010

ninja turtleism

a belief that the 4 ninja turtles are really the 4 horseman of the apocalypse

dude u goin to the ninja turtleism benefit tomorrow

by marceld April 2, 2010

Ninja Car

A vehicle that appears out of thin air, completely parallel to your car, the moment you start to change lane.

I tried to change lane, looked in the mirrors and everything, but as soon as I started, a ninja car suddenly WAS there and blocked me. It came from nowhere!

by FDaihatsu August 18, 2010