A homeless man with middle fingers missing on both hands, giving the appearance of crab like claws instead of hands - or clumps.
A Clumpy is also a popular dance move, where a person walks sideways like a crab and imitates picking up cans with their outermost fingers. An odd, distorted face usually accompanies these movements.
Look out for Clumpy down that alley, he'll be after your cans!
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