rub off on
rub off on (someone)
To have one's characteristics, mannerisms, or behavior be adopted by someone with whom one has spent a lot of time. Peter's been very unruly lately. I think that new kid is rubbing off on him. It seems like your boss's greed is rubbing off on you—is money all you care about now?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
rub off on(to) someone or something
[for something, such as a coating] to become transferred to someone or something through the contact of rubbing. Look what rubbed off on me! The wet paint rubbed off onto my pants leg.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
rub off on
Become transferred to another, influence through close contact, as in We hoped some of their good manners would rub off on our children. This idiom alludes to transferring something like paint to another substance by rubbing against it. [Mid-1900s]
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.