Cum Ninja

A very stealthy motherfucker that blows a load before you know it.

Jesus, that was one cum ninja.

by TylerStevenson January 3, 2017

Ninja Duece

Preparing to do something when you suddenly have to take a dump.

"Man, i was about to play some CoD4 when a ninja duece popped up."

by Goat41 July 12, 2009

ninja cummer

A person who cums without having any reaction so their partner is unaware.

I was ridding my boyfriend and he had an orgasm without me knowing about it. He is a ninja cummer.

by Keatball November 11, 2018

Ninja Quad

Ninja Quad is used in the Real-Time Strategy game Company of Heroes. Using a upgraded Allies Half-Track to a Quad .50cal Gun. This is a four barrel .50 caliber guns mounted on the Half-Track.

After a Axis player takes out your favoutite unit with either a mortor crew or a PAK Anti-Tank Gun, you would send your Half-Track Quad behind the Axis player's weapon and flank them. This is called Ninja Quad

Noob: LOL, I killed your Tank with a PAK Anti-Tank Gun!
Jeff: What's that behind your Anti-Tank gun?
Noob: OMGZ! You killed my PAK Anti-tank gun with a quad!
Jeff: LOL, Ninja Quad FTW!!

by 0Goldeneye0 May 22, 2009

Ninja runner

Most often used in the running community, it describes a person who likes to run while wearing all black.

The ninja runner darted across the dark road, barely escaping certain death from an oncoming tractor trailer.

by The Logophile May 4, 2010

Ninja Syndrome

When you’ve played fortnite too much and you can no longer become erect.

Doctor: How can I help you today?

Patient: I can no longer get erections no matter how hard I try.

Doctor: How many Victory Royales do you have?

Patient: 498.

Doctor: You have Ninja Syndrome.

by metaldan123 April 15, 2018

ninja cream

When you sneak up behind someone and cream in them before they know you were there

Damn, I was minding my own business when I look down a realize I had been ninja creamed! The nerve on that guy.

by xjax1 January 15, 2018