"Rub one out" is a colloquial phrase often used to refer to masturbation. It typically implies a quick or casual act of self-pleasure.
The correct phrase is "rub it in." This means to apply pressure while spreading a substance onto the skin. "Rub it on" could also be used, but it doesn't imply the same level of thoroughness or integration as "rub it in."
The force when two surfaces rub against each other is called friction. Friction acts in the opposite direction of the motion and its magnitude depends on the nature of the surfaces and the normal force pressing them together.
You should rub your hands together for at least 20 seconds when using an alcohol-based hand rub, ensuring that all surfaces of your hands are covered to effectively kill germs.
An example of friction is when you rub your hands together, causing heat due to the resistance between your skin and the surfaces of your hands.
pleural rub
"To rub one out", it means to masturbate.
Rub Icey Hot on it then take a shower and rub it in. Your Welcome.
Rub?
Rub it in means to flaunt something about or point out a mistake or brag. (example: haha i won the contest! way to rub it in.)
it means like to rub your belly maybe...? because yah it means to rub your belly...
If you mean RUB, as in the initials in the locket or the 6th movie then it is Regulus Black, Sirius's brother.
means to rub on somebody
rub a hot boys feet
To stroke or rub; something or someone
When it hurts, you can rub it gently with you hand. But, this question isn't really detailed and it's not too easy to answer... If you mean brush it accidentally against the wall or something, then it would be a bit painful in opinion. If you mean rub it when it hurts like if you have scraped it, you can rub it, it would be fine... I couldn't really understand, but I hope it does.
A "rub" is an abnormal heart sound caused by the heart beating against an inflamed pericardium or pleura.