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!
Hector tried to rub one off on an exotic looking girl's tits at a ranch in California, but Jesus put one in the back of his head down by the river for what he did so that nobody in town would find his body and have it drawn and quartered.
By Callie
Rub Off On
( of personal qualities, behavior, opinions, etc) to become part of a person's character as a result of that person spending time with sb who has those qualities, etc:
My MF'shyperbolicconstructions rub off on this head-man!
Lets hope some of John's good ideas rub off on all of us!