1) Internet slang 
RUFKM?, is an abbreviation for `Are You Fucking Kidding Me?` in Internet slang. It was first used in text messaging but is now widespread in other forms of computer-mediated communication, and even face-to-face communication. It is one of many initialisms for expressing reactions to absurd situations and stories like FML? (`Fuck My Life`). The...
Are You F***ing Kidding Me?
are you fucking kidding me