Boobs, breasts, tits, titties. Preferably naked ones.
You know she’s a bad girl. It says so, right on her tits!
Pretty breasts, but her nipples appear to be having a bad day:
Via Kinky Delight.
I don’t know what she did, but she doesn’t look as sorry as you would expect given the bruised state of her tits:
From the Slutty Contessa tumblr, which isn’t there any more.