1) An individual that is prone to destroying or breaking any material item due inpart to careless,abrubt, or overzealous manipulation of said item.
2) An individual that operates anything in the physical world with too much strength and awkward coordination.
Individual at the jewelery store having his watch band repaired:
Watch Repair Person: "If I can just get this band loose, I think I'll be able to make a quick and easy adjustment."
John (the watch owner): Easy man, you're being too rough you heavy-handed beast.....I ain't worried about 'quick and easy', I want you to slow down; be gentle and fix it smoothly and correctly."