Someone who does not like to participate in pizza parties and/or doesn't like to eat a lot of pizza. When ordering a pizza, they go with a personal pan, consume 2-3 slices on average, and ask for a box. They enjoy healthy, boring toppings such as veggies and eat their pizza with a fork and knife. Cream sauce is usually preferred over marinara sauce.
Bill: "Hey Tim, you wanna get hella pizza pies for the ultimate pizza party tonight."
Tim: "No thank you Bill. I think I will just have a personal pan with veggies. I'm trying to watch my figure."
Bill: "Dude, you are such a Personal Pan Pussy!"