A type of swamp ass attained at work by somebody afflicted with hemorrhoids, after taking a shit (induced by eating hot sausage @ a local carnival) first thing in the morning then working all day in direct sunlight on an 85 degree day, one usually gets diaper rash following this type of swamp ass if not treated right away.
Greg: "What's that smell & why you walkin' so funny?"
Tim: "I got that shitty swamp ass going on today bro my wife is gonna be pissed when I throw these clothes in the hamper!"
Greg: "You need some man-pons my friend.."