noun,1. meaning a person mainly a man who enjoys to off his rectum for sale from place to place.
2. A person(man) who enjoys to eat or ingage in sexual activities involving the anus of another person(also mainly a man)
An arseling is a young guy who has narrow hips, perfect butt-cheeks, a tight, light pink & hairless asshole, and likes being fucked in his lower in-hole.