Frottage meaning : A method of making an image by placing a piece of paper against an object and then rubbing over it, usually with a pencil or charcoal. An image so made. The practice of rubbing parts of the body against those of another person for sexual stimulation. To rub, especially to rub onto one surface placed upon another surface that is textured, in order to create a mottled or patterned area on the first surface. To rub parts of the body against those of another person for sexual stimulation.