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

ninja cyclist

someone who operates a bicycle in dark or low light conditions with no lights or reflectors and usually wearing dark clothing. Ninja cyclists typically ride against traffic and/or on sidewalks in violation of local laws.

(after slamming on brakes) "I didnt even see that ninja cyclist blow that stop sign. I could have hit him"

by Bike Man November 03, 2009

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 02, 2012

Ninja Smokeout

When a friend secretly smokes you out at an awkward or boring social event.

remember the time you guys smoked me out when i was watching eclipse with my girlfriend? man that was a pro ninja smokeout

by SirSmokeaLotz December 23, 2010

Ninja Nosejob

While a girl is giving you head..right as you cum karate chop her in the back of the head then stick your dick in her nose

Guy 1: Dude this girl was giving me head then i totally did the ninja nosejob on her

Guy 2: Thats fucking gross man...thats messed up

by sandman142 August 17, 2010

The Urban Ninja

the act of taking two 15 inch black dildos and tieing them together with a string like nunchucks. while shiving one up your ass you then swing the free dildo around and sneak up behind your partner and hit them with it. thus creating a ninja like expirience.

i gave The Urban Ninja to my boyfriend last night because he said i wasnt adventurous enough.

by The Urban Flame February 05, 2011