Wiktionary
vb. To masturbate, especially for a woman
Usage examples of "rubbing off".
Maybe you're rubbing off on me, but all I can think is that only two scenarios are left.
We waded into the warm mud-water, hair and ape flesh off in screaming strips, stood naked human bodies covered with phosphorescent green jelly, soft tentative flesh cut with ape wounds, peeling other genitals, fingers and tongues rubbing off the jelly-cover, body melting pleasure-sounds in the warm mud.
It shivered, and the wedges slid a fraction of an inch with a grate of rust rubbing off on wood.
Wherever a crack or chink hinted at separable parts, Maia noticed burnished edges where someone must have tried prying away, probably with wedges or crowbars, and succeeded only in rubbing off a layer of tarnish.
If she felt a shiver of nerves, well, that was Simon's anxiety rubbing off.
Can't do that, not even the crudest brawler recruited in Constantinople's hippodrome, without some of the chivalry rubbing off.