Chum Burgers are deadly burgers made at the Chum Bucket to kill people who eat them. They are made from Chum, which is basically recycled Tubby Custard mixed with whale blubber. As a result of this, 500 die from poisoning caused by these burgers every week. They are sold by Sheldon J. Plankton in a plot to take over the world! Chuck Norris can, however, eat them without being posioned (instead, he merely farts out Classical Music).