a Gronau is someone who is confident, usually of European desent. A Gronau has achieved much in their life and is usually extremely attractive. Gronau's are great in bed, they can turn anyone on. They like to bite and are extremely kinky in bed. Most Gronau's are known for their sleeping around, but still being highly irresistable and hard to get at the same time. Any Gronau's can be compared to a Greek God. They have magical and mystical powers that will render any human defenseless. Don't mess with a Gronau or bad things WILL happen!
Is that girl a Gronau?" "Nope, she's not hot enought.