slick ninja 

Stealthy and sly.

Banksy is one heck of a slick ninja with the way he puts up Street Art.

slick ninja by DolinDog June 8, 2016

Ninja slick 

Noun~ a swift, often very lucky reflexive move performed in order to avoid any unfortunate situation. While driving this is referred to as a Jack Move.

Such as in jumping off a boat into water and remembering halfway that you still have your ipod on you and turning and throwing it successfully to a friend in the boat. Damn Skrappy,if you weren't ninja slick you would have just broke your damn neck.

Ninja slick by Lord Gekko May 22, 2008

Ninja Slice 

A slice of pizza that is equivalent to 2 or more slices of pizza; typically 2-3 slices as one.

Dude A: Yo, do you want slice of pizza?

Dude B: Ya man, make it a Ninja Slice!

Dude A: What is a Ninja Slice?

Dude B: It's like two to three slices of pizza as one slice.

Ninja Slice by Plasmaskies619 March 21, 2019

Ninja Turtle slice 

A large slice of pizza similar to that seen in the opening scene of Ninja Turtles II: Secret of the Ooze at Ray's Pizza. Typically a Ninja Turtle slice would be at least 1/5 or 1/4 of the entire pizza.

Dude, I just tried a new pizza place and they had ninja turtle slices.

Ninja Turtle slice by ChevyNova May 16, 2011