rubbing up on

Verb

rub up on (third-person singular simple present rubs up on, present participle rubbing up on, simple past and past participle rubbed up on)

1. (slang) To rub one's body against another person as a form of sexual stimulation or flirting.
   • Had to let it know that I still had baller status. So when I was on the dance floor, busting my moves, I didn't mind the shorty with the tight, tight blue mini-skirt who was rubbing up on me and leading me on.2004, Billy Jones, Everyday Folks: Short Stories on the Common People, →ISBN, page 7
2. To stimulate, interact, or resonate with.
   • As Overbrook helped him with his coat, Babbitt said, “Nice to rub up on the old days! We must have lunch together, P.D.Q.”1922, Sinclair Lewis, chapter XV, in Babbitt, New York, N.Y.: Harcourt, Brace and Company, →OCLC, page 201
3. Used other than figuratively or idiomatically: see rub, up, on, rub up.