ninjastic 

using acts or carrying out a lifestyle that someone may say is "ninja" (being super sneaky, cat like reflexes,etc.) this term can be associated with everything ryan weiskopf does and says.

JOE-hey man, today i was thrown into oncoming traffic, but i dodged every single car.
JERRY-dude. thats pretty ninjastic.
JOE-i KNOW, right?
JERRY-wanna go watch date my mom?
JOE-yes.

ninjastic by ryan w.e.i.s.k.o.p.f. February 27, 2009

Ninja-Kick 

A quick, unexpected forward action of the foot which makes contact with the upper part of another person's body. It is defined by flexibility, agility, spontaneity, force and effect of impact.

Did you see the fight between Jimmy and Alice?

Yeah man. Fuck. She Ninja-Kicked him in the face.
There was blood everywhere.

Ninja-Kick by Mich11 February 7, 2009

Ninja Cheesecake 

The ancient Shang-Hi tradition when the Black Dragon Warrior of the ninja clan cuts the cheesecake with a samurai sword.

Also used as a complement to people with awesome power.

After the the ninja cheesecake ceremony, I have never looked at my key lime pie the same way again.

Ninja Cheesecake by the NINJA Cheesecake November 26, 2010

Ninja chin

(noun) A carefully camouflaged double chin that is strategically hidden with a poised hand, a book, etc. or a specific camera angle. This is mostly used on really good looking chics who are on the heavier side.

Guy 1: "Dude! Did you see this hot chic on Facebook?"
Guy 2: "Yeah, but look at the angle of her profile pic. I think she has a ninja chin."

Ninja chin by eviljew85 June 6, 2011

Ninja Refresher

A person who refreshes a page with the F5 button instead of the "reload current page" button.

Person1: whoa, the page went blank all of a sudden!!!

Person 2: oh it's fine, I'm a ninja refresher, I refreshed while you were staring at the screen.

Person1: I hate it when you do that.

Ninja Refresher by ImxNotxViolent October 31, 2011

Ninja pop 

To ejaculate so fast and stealthy, no one sees you do it.

Why is he so relaxed? Maybe he ninja popped one in the ally?

Ninja pop by MOanDogg1 August 6, 2011

ninjadinosauramazingness 

A word used when the words ninja , epic and narwhalish just won't do, and you need an even better word.

Person1: LOL bro there's a unicorn next to my locker.
Person2: ..ninjadinosauramazingness

ninjadinosauramazingness by ohlookapuppy December 16, 2011