Also known as: スパンキング, 被打屁股, 屁股上的巴掌印
A Slap Mark or blunt force injury left on the Ass from a Spanking. It may be in the shape of a hand, or a general reddening of the area.
While commonly tagged alongside with Spanking, in cases where there is no active spanking occurring, the spanked tag should be used stand alone.