pizza carpet 

Usually found in bachelor houses or the rooms of teenagers. It is when a box(es) of pizza are on the floor usually empty but sometimes containing a piece that was not finished.

Girl- Glad i could come over.
Boy- yeah, here is my room.
Girl- EW! you have a pizza carpet. Bye!

pizza carpet by aGamer... November 20, 2013

Carpet Pizza 

A large round spot on a carpet resembling a pizza. Usually found while cleaning up the morning after a raging party. Most often the result of a really voluminous hork after after eating and having one too many.

Guy 1 “Dude, who ordered the pizza?”
Guy 2 “Look closer, it’s not a regular pizza, it’s a carpet pizza”
Guy 1 “Dude, that’s nasty!”
Guy 2 “Put a rug over it, no one will notice.”

Carpet Pizza by Tannasgh May 7, 2018

Carpet Pizza 

When pizza has sat out so long, it starts to look more like carpet than pizza.

Carpet pizza.

Carpet Pizza by Georgesgrapes March 20, 2022