It's a piece of pie that you eat like a taco.
Dr. Zaius: Dude, there's only pie in the fridge but there's no plates or silverware.
Doc Ock: Dang, but I'm so hungry.
Dr. Zaius: Let's eat it with our hands.
Doc Ock: Great idea.
Dr. Zaius: We should call it a pitaco.
Doc Ock: Freaking genius.