It's bad enough that he beat me, but the way he keeps talking about it is just 'rubbing salt in the wound'.
The back of my shoe is 'rubbing' against my heel and giving me a blister.
She keeps 'rubbing in' the fact that she makes more money than I do.
(..) Come on, will you? At this point I happen to be talking to the gentleman sitting next to you. Now, why were you rubbing your nose like that? If it's any of your business, I was rubbing it because it bothers me a little. Oh, I'm sorry. Is it... Is it because of your eyeglasses? (..)1957 12 Angry Men
(..) - I feel perfectly well, thank you. I was saying seven o'clock would be a reasonable time... The reason I asked that was because you were rubbing your nose like... Oh, I'm sorry for interrupting. But you made a gesture that reminded me of something. - I'm trying to settle something here. (..)1957 12 Angry Men