Ninja sext

When you send someone a naked picture of themselves that they don't know you took. Especially useful as a pick-up technique.

"Dude, Anna just sent me a ninja sext!!"

"What do you mean?"

"She just sent me a picture of MY penis, but I've never been naked in front of her? WTF??"

"True ninja broseph. She's a ninja sext master."

by Ninjasextmaster69 August 7, 2011

Bin Ninja

(noun) Someone who sneaks rubbish and into their neighbours' bins when their own bins are full. A bin ninja usually comes after a large gathering has filled a houses garbage receptacles. The act generally occurs at night and requires much sneaking about.

(verb) To bin ninja something.

"Man. That party was epic. What are we going to do with all these empties...the bins are full!"
"No worries man. We'll just bin ninja them into everyone else's bins tonight."

by billybobboy June 2, 2014

Ninja Cholera

In Oregon Trail II, this term is used when someone in your wagon party dies inexplicably from cholera.

Jebediah has died of ninja cholera.
How the hell?!

by A Dysentery Germ September 24, 2016

ninja rowson

Ninja Rowson is one of the best maths teachers to have. He will perform a dance called the Ninja dance where he moves around as If he was a ninja whilst impersonating a Chinese/Japanese accent. He is a good teacher although sometimes he gets in a strop and sits back down in his chair for around 10 minutes of the 60 minute lesson you have with him .

"It's not fair you have an alright maths teacher" - Tyler

" what are you on about you've got Ninja Rowson"

by XD :) July 29, 2019

Ninjas on the lawn

Along with paranoia, ninjas-on-the-lawn is the most common side effect of cocaine.

asshole: "What is that outside?"

you: "I'm not sure, but i think it could be NINJAS."

asshole: "There are no ninjas on the lawn."

you: "OF COURSE THAT'S WHAT THEY WANT YOU TO THINK; THEY'RE NINJAS."

by SnowhuouV October 24, 2012

invisible ninja

What some rappers, most notably Devlin fight whilst rapping - Moving their arms around like windmills trying to look "street" they look like they are blocking attacks from invisible ninjas

Dude! Why are you fighting invisible Ninjas! Stop flailing your arms around like a windmill.

by stragen November 2, 2012

ninja fapper

To masturbate/fap silently.

Dave: Why is fapping called fapping?
Max: Because fap is the noise it makes.
Dave: I've never heard that before ..., I must be some kind of ninja fapper

by honkthedonk January 17, 2013