A guy who enjoys anal sex. It refers to the guy on the giving end, not the man or woman
on the recieving end. This term is used to discribe gay and straight men. A well known synonym
Guy 1: "Dude, i was with this chick
the other night. Long
story short, I licked her asshole to get her excited and then I stuck it in her ass to finish her off."
Guy 2: "Wow, I had no idea you were a Keebler Elf."