The process by which a man becomes a Dilf.
Say bro, why you buying those jock straps, oh, I'm dilfiffying. Awesome. Can I join you?
Gay dude with HIV who thinks he still gets to be in the game even though the virus disqualified him years ago, and no,being undetectable is not sex, and any one who sleeps with a poz undetectable is pretty much a necrophiliac.
Don't sleep with him, he's a serial killer, you'll die.