The "afterpizza" is what is left on the pizza tray after all the slices have been eaten. If it is really good pizza, there will be a fight for who gets to clean the bits stuck to the pan.
Akin to the term "afterbirth", which is the extra "stuff" that comes out after a baby is born.
The amount of time that a booty jiggles and shakes after being smacked with considerable force. Can also be used when referring to the intensity of the aforementioned jiggling.
when asked by my daughter-in-law at dinner were we going to order any appetizers I replyed no when we get back to our house we were going to have aftertizers.