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A hand resembling the hoove of animals(mostly cows) but also the hand of a human. Also used to describe people that can't grasp hold of objects well, and they tend to slip out. The hoovehand is a very atrocious sight.
Guy: This is a rare sight of the "hoovehand".

Guy: Calvin has such hoovehands, you can't trust him with fragile stuff. Tsk tsk tsk.
by Snifflelicious January 07, 2013