Pizza that has been heated, frozen, and then reheated.
“Why are you eating zombie pizza when cold pizza is so much better?”
Zombie Pizza: define #2
Pizza left out past when it could still be good, as would be found after an apocalypse in many homes and businesses.
1. We went scavenging around in the houses on that street the other day, and didn’t find anything worthwhile or interesting, just the usual zombie pizza.
2. Sometimes at a house where students live, all the food you can find is zombie pizza.