The act of slowly applying mortar on the crevices of another person's body, and meticulously placing ceramic tiles on the edge of said person's skin. Also, following with an appropriate amount of grout to the openings between each of the tiles. This should only be performed by adventurous people, and those who are willing to consent to this daring act.
You want to try something new babe? After a long day of tiling, I am curious as to how it would feel if I were to tile you.