A dog produced when a mad scientist fed his dog PVC and gave birth to RollerDog the dog which has wheels instead of paws. He has terrible trouble getting food as his wheeled feet make it very difficult to get up stairs and hills.
A hot dog cooked to perfection on a stainless steel machine consisting of rolling tubes of metal that turn the hot dog as it cooks. This delicacy is usually found at fine establishments such as Wal Mart, 7-11, and your local gas station.
Yo Justin, get me a roller dog and a tin of Skoal.