Someone who was born with the rare congenital disorder "askeletonosis" where the individual is born without a skeleton. Often referred to as "bucket babies" because their mother has to carry them around in a bucket. Occurs in approximately 1 in every 7 billion live births.
Check out that woman over there carrying that small bucket. She must have a bucket baby or something.
Someone of unusually low intelligence. Not quite a retard but not quite normal. Also someone who is stupidly insane.
Did you see Tom Cruise on the Oprah show? He's such a bucket baby.