if someone rubs it in, they keep talking about something that makes you feel embarrassed or upset. I know I made a mistake, but you don't have to rub it in.
"I know I made a mistake, but you don't have to rub it in."
When another man rubs your shoulders and/or back in a homosexual manner, one is being rubbed like Rapps would rub. It could also describe a homosexual/heterosexual hand job.
However, it can also be used to describe a back and/or neckrub in a homosexual/heterosexual/platonic situation.
"Honey you are not getting the knots out of my back. Rub it like Rapps."
masturbation done for the purpose of getting over lust for someone. The "it" in "rub it off" is the sexual attraction.
The term is similar to brush it off, but is explicitly sexual.
If a hater talks shit to you, you can brush it off and get on with your life. If a bad bitch is stuck in your head, you can't brush it off: You gotta rub it off.
Holy shit! That girl on the airplane was so hot! I can't think knowing a chick that fine exists!
Dude, you're never going to see her again. Rub it off and get on with your life.