RUB OFF

{v.} 1. To remove or be removed by rubbing; erase. * /The teacher rubs the problem off the chalkboard./ * /After Ann shook hands with the president, she would not shake hands with anyone else because she thought that the good luck would rub off./ 2. To stick to something touched; come off. * /Don't touch that charcoal, it will rub off./ * /Mary's dress touched the door that Father was painting, and some paint rubbed off on her dress./ 3. To pass to someone near as if by touching. * /Jimmy is very lucky; I wish some of his luck would rub off on me./