Ninja Shits 

When you have finished going Number Two, and suddenly feel more on the way.

"Man, got half way out when I got struck by Ninja Shits"

Ninja Shits by Ormagoden September 1, 2014

Ninja Nose Blowing 

Also called silent nose blowing, ever seen someone throw away a tissue without hearing a sound? It made a squishy sticky sound when squashed that was unusual? Only this can do that.

that guy in the bathroom is the king of ninja nose blowing

Ninja Nose Blowing by Nova the Starlight December 17, 2014

ninja 

a person/ a group of people who is/are considered ninja

Bob: Yo, ninja
Ninja: No, I'm nigger

ninja by jogu February 2, 2015

ninja 

In bicycling lingo, a jogger or pedestrian dressed in dark clothing and no light or reflective gear at night.

I was out riding last night and almost hit a ninja. Good thing I was using a light.

ninja by Grizzlybike May 10, 2015

Ninja 

A totally ineffective fighting style.

When ninja Sarah did a karate stance, Diana ran her down with a car.

Ninja by Tikky Tak August 26, 2015

ninja blow 

A blow job usually consisting of a male getting blown with out him knowing till he ejaculates.

I had no idea i was getting ninja blown!!!

ninja blow by Blakboi66 October 19, 2015

Ninja Kick

Used as a funeral term to descride AIDS or any other extreme STD

Boy 1: Did you fuck Sally?
Boy 2: Nahh, she the ninja kick. She is getting treated in the hospital.

Ninja Kick by DickSwinger1922 December 3, 2015