1) When you find yourself hungry, late at night and all you have in the freezer are old burgers to eat.
2) When you are in a foreign country and suspect that the food will make you sick so all you eat is hamburgers from fast food chains you know
"To hell with this smelly third world curry, I'm commiting myself to burgertory!"
Like purgatory A waiting area that most fast food places have in the drive-thru so customers can wait on their special food order.
Our food had to be prepared so we were placed in burgertory.