When a man craps on a woman’s face, proceeding to sit on the face rubbing his behind back and forth on the face until the woman has turned from white to brown.
Bob: "I heard you and your new girlfriend last night. What in the Hell were you doing?"
Bill: "Oh you know, The Reverse Michael Jackson."
Bob: ?????
Bill: "Sex, Bob. With my adult wife."
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.