someone who sticks their face into a butt crack (mostly homosexuals) and begins to chew, slurp, lick, etc. the sphincter until it is red with puss.
nick: dude i think i'm a butt eater
adam: what do you mean dude?
kieran: i think i know what he means... (sigh) he likes to stick his face in another dude's ass and suck it raw
adam: i don't think we can be friends anymore dude
by hiimmike69 September 11, 2010
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