Another way of saying that you are untouchable and put everybody else to shame. Basically means you are unstoppable because if a person or thing can't see you they can't catch and/or attack you. Even though you are entirely visible it is a way of telling somebody that they can't fuck with you and they are not on your level.
A common thing John Cena will say to you if you mess with him. He will show off first and do the Five-Knuckle-Shuffle on you. Then you'll pretty much have 2 teeth left.
A man or women, unmarried, and living like a house wife or house husband. A house mouse is very pampered and well cared for, in exchange for this the mouse takes care of the house and anything elts to keep master happy.