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.