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1 definition by ClumpyLover

 
1.
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!
by ClumpyLover July 20, 2011