licking stubble on a man's asshole,
also a method in bartending (e.g. Margarita, salty dog)
"Hey, how about another Salty Dog!"
When a male ejaculates on a woman's asshole and leaves it to dry.
A male is having sex with another male and/or female and ejaculates on her asshole. If he leaves it to dry, the remnants that are left are the "salted rim"