When you’re so tired after eating a large amount of food, that you just lay there peacefully with no reason to do anything. Too much food also meaning that you can’t even sleep after your stomach weighing you down
Bradley had so much food and drink that he couldn’t do anything but lay on the sofa, absolutely burgered.
When one can say they are in an intense form of retardation from the effects of, alcohol, marijuana, perscription pills, etc.. or the combination of some or all of them.
"Last weekend was sick...Joey ended up getting Turtle-Burgered"