A Porn Buddy is someone with whom a person (usually a man) has a reciprocal arrangement whereby, upon the event of the one partner's death, the other "buddy" will immediately go to the first person's house and remove all pornographic material. The upshot of this is to prevent the deceased's family being upset and/or disillusioned as to the good character of the deceased.
Jeff and Steve
Jeff and Steve have a Porn Buddy relationship. Jeff remarked that in the event of Steve's death, he would keep all Steve's pornography. As he put it "Your best friend's dead - but there's an up side!".