The phrase "great rub" typically refers to a massage or the act of applying pressure on someone's body in a soothing or therapeutic way. Full definition
My name is Korey and I'm looking for a book or web site or store where I can find great rubs, sauces and seasonings for BBQ so that my food will turn out great. (fieryfoodscentral.com)
They modeled the forces that exist inside the stretched wire, assigning a greater role to friction than did the earlier theory — given that more twists means greater rubbing between the two ends of the string. (sciencemag.org)