When you have an incredible an irresistible urge for an ass itch from a roid flare up or swamp ass (residue left from a lack of a good wipe after dropping a
deuce) and a manual clearing of the ass is needed. Most often this is expressed with a surface
scratch on the outer layer of the pant. But on occasion, when no one is looking, and only when necessary, it is a full in hand on ass
scratch free for all.