(idiomatic, transitive, of behavior, beliefs, etc.) To be acquired by or transferred to (someone) as a result of regular exposure.

Used other than figuratively or idiomatically: see rub, off. / To clean by rubbing. / (intransitive, idiomatic) to be transferred with little or no effort

(golf) Any accidental deflection of the ball by an outside agency (spectator, caddie etc); the ball is played without penalty from where it comes to rest

(slang) An act of roughly rubbing one's knuckles across the top of another person's head with the intent of causing pain and humiliation, often while pinning the other person's head with one's free arm.

plural of rub and tug

An iron guard on a wagon body, against which a wheel rubs when cramped too much.

(slang) A massage parlor where one can get a massage with a hand job.

To go on with difficulty.

A cream, gel, etc. intended to relieve the pain of fibrositis, lumbago, or muscular aches and strains, by producing a feeling of warmth within the muscle of the area where it is applied.

(informal) Chafing on the inner thighs caused by the legs rubbing together.