rub off phrasal verb ( see also ↑ rub )
1 . to remove something from a surface by rubbing it, or to come off a surface because of being rubbed
rub something off something
Jack rubbed the mud off his face.
rub something ↔ off
She rubbed off her lipstick and eye shadow.
Some of the gold paint had begun to rub off.
2 . if a feeling, quality, or habit rubs off on you, you start to have it because you are with another person who has it
rub off on
She refused to give up, and her confidence rubbed off on the others.