A male, or female, that doesn't care what anybody thinks of them or what they do. They like doing things during sex that would scare most people!
John: "Hey bro! I hear you hooked up with some bitch the other night..."
Bryan: "YES I DID! I stood with one foot on the back of her head smashin her face in the floor while I tore that ass up! That bitch is a real freak..."
John: "Sounds like youre the freak!"