one who's ass that has taken so much dick he or she is known as a sluttbutt.
that guy is so gay i bet hes a sluttbutt.

Timmy became a sluttbutt since he started hanging out with big gay al.
by lil rob242 March 20, 2008
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SluttButt Is a common phrase to be used when referring to a cool or playful female friend. Not to be confused with sluttybutty , or slutterbutter.
Thank You SluttButt.
by Whitewolfaaaa October 22, 2014
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