Floor Pizza
Pizza that was left in the box on the floor during a night of drinking, usually found by a near by passed out guest laying next to it the following day.
I was starving when i woke up, I rolled over and there was the floor pizza
to lay a floor pizza
To vomit, to throw up, so that your chili beans and paprika and beer form a nice, pizza-like shape on the floor in front of you.
Tony laid a few floor pizzas last night after he went to the club.