Noun
Sexual activity without protection from sexually transmitted disease; sex that is not safe sex, or that is barebacking.
Sexual intercourse without protection from pregnancy; non-use of birth control.
Source: en.wiktionary.orgYou know, there's one other thing I don't do, Vince. I don't have dirty, unprotected sex with some money grubbing skank who eventually files a paternity suit against me, which gets me kicked out of my own house and leaves me nothing but a living, breathing national disgrace. Phil Brooks
The real story is that I had unprotected sex. That's that. That's easy. Magic Johnson