The small dimples or dents located on a persons ass or upper thighs. Most common cause is from their male partner having a raging erection and constantly poking them in the ass and upper thigh while "snuggling". In many cases this is confused for cellulite.
"Hey Jim, look at that strippers dick scarred ass!"
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi