The really annoying substance that resides along the greater part of the 12" crack of your ass. It is produced usually on a really really hot day, when you sweat, and wearing some really tight pants. It is a mixture of feces particles (
dingle berries), sweat, and dried skin. It leaves a very strange, stinging, and
burning sensation around the bunghole... resulting in the need to find a bathroom, ASAP. Upon wiping this "anal butter", brings quite a relief to the area
immediately. Will also leave a really nice skid mark on your underwear, which sometimes requires the immediate disposal of the garment, and to just go "commando" for the rest of the day.