Hair on backside of palm - Men
If a man has no hair on the back of his hand, it indicates a lack of virility and effeminacy of character.
If the growth of hair is thick and excessive, it indicates coarseness and cruelty.
Hair on backside of palm - Women
Ladies, generally, do not have hair on the back of their hand. If they do, the lady in question could be considered manly and a virago.