Fat Ninja

The unsubtle affair. Where two people think they are being sneaky, but everyone knows what is going on.

The act of cheating out in the open, but being oblivious to it.

Joe: "Do Bill and Sue really think no one knows they are hooking up?"

Bob: "I know, right? Pretty Fat Ninja there."

by Chewbacca with a Brazilian September 1, 2013

Ninja Lightbulb

The act of using a long flourecent Light bulb as a Katana, and karate style hitting your friend making the bulb explode

I can't wait for another bulb to burn out so we can play some Ninja Lightbulb.

by Geoff Robbins May 28, 2007

Penis Ninja

A person sent in deliberately to have sex with someone's girlfriend with the intention of her significant other catching them in the act so he breaks up with her.

Jeff: "Dude, Seth's old lady is such a bitch!"
Steve: "Send in the penis ninjas..."

by TK37246 February 12, 2014

On the ninja seat

When you're in the bathroom and trying to take a quiet crap if someone is outside the door. Or when ther is multiple people in the room at once

Tim was on the ninja seat when Judy was waiting outside the door for him.

by Lizzie Smith II November 17, 2010

concert ninja

One who disappears mysteriously from a group of friends during a show, using fellow concert goers as their smoke screen.

Tim had been last seen swaying near to his room mates. The concert ninja was later discovered passed on top of his bed with one shoe off.

by Gaddo007 March 20, 2012

Spirits Ninja

An educated spirits specialist with a no nonsense reportoire. One who guides, educates, inspires, with no bull crap. Genuine. Ninja

Peter knows so much about different types of spirits, it's like he's a superhero Spirits Ninja!

by Z Wine Ninja October 22, 2012

Media Ninja

A badass girl who owns the 'game' that is social media and media in general.

Someone who should definitely be hired.

Basically someone who's awesome at media, and is a ninja.

Wow, look at all those wicked posts. She's a media ninja.

by KarmaChameleon January 17, 2013