The term mad cunt or mad cunts is used as a term of endearment, it has It's origins lie with the users and members of salme.info who are quite obviously the.
Nick Fannin is a fuckin mad cunt. The fuckin maddest cunt ever to grace the earth with his presence. The best.
It's fine. They might also call you a sick cunt, which is a term of endearment expressing favourable opinion of your prowess as a human being. If they call you a.