Credit card info theft scam. After I dragged out the call for as long as it still amused me, I eventually got bored and told him that all I was doing was wasting his time because the longer I could keep him on the phone with my lying answers to his questions, the less time he'd have to phone other people and try to steal from them. He instantly went from nice to nasty, cursing at me and calling out the questionable identity of my actual father. I told him he was my father and asked him where my birthday present was before hanging up on him.