Sexual act involving at least 2 people, usually 3 or more, where one or more participants proceed to consume the male ejaculate out of the asshole of another counterpart which just had one or more men climax into
Guy 1: "Yo Bro, check that girl out! she looks so hungry!"
Refers to the distance between Uranus and the outer perimeter of your butt-cheeks, in terms of how far an accidentally-released blob of poop has to "travel" before it reaches --- and subsequently soils --- your clothing and/or whatever surface that you happen to be presently sitting/lying upon.
Many people think that having a huge flabby behind in undesirable, but it can actually be an advantage if you occasionally suffer from liquid farts, since it provides you with a greater butt buffer-zone; this is especially fortuitous if you happen to be sitting or reclining at the time of said unexpected discharge, since it is exhaustingly more laborious to properly sanitize a seat-cushion or mattress, whereas soiled clothing can usually just be soaked in detergent-solution and then tossed in the washer.
One who excretes semen onto another's butt in order to use it as polish for a prolongedbuffing session. esp. with homosexual intent. Often used as an insult.
Guy #1: "I heard that Bryan and Sammy had anal sex with each other"
Guy #2: "Yeah, Connor got it on tape, they're buttbuffers from way back."
Guy #1: "Totally, they're queerer than a deer egg."