A girl that due to moral obligations will not fornicate vaginally until married, but to make up for this, she partakes in anal sex to substitute for vaginal companionship. Upon marriage, most butt sluts become normal upstanding citizens, but some maintain an anal preference.
You know that chick Dolores from accounting... she's a butt slut.... You'll either have to shoot for the brown star or marry that broad if you want to hit that.
by Party Crashers September 11, 2009
Get the Butt Slutmug. A male who enjoys the simple things in life such as being reamed frequently in the anal cavity. These people usually like it hard and rough and will deliver their anus to anyone in need.
Josh: Dude lets go golfing.
Brandon: Dude i usually sink my ball into the 19th hole within two strokes.
Kyle: You're such a butt slut. I need a hooch.
Brandon: Dude i usually sink my ball into the 19th hole within two strokes.
Kyle: You're such a butt slut. I need a hooch.
by BarnacleBill February 14, 2010
Get the Butt Slutmug. by Franno December 26, 2007
Get the Butt Slutmug. A girl who unrelentlessly offers her butt to guys when ever she has the chance. But when it's time for action, she refuses to take it in the box. Just the butt.
by Kenny Burks January 4, 2008
Get the Butt Slutmug. A person of either gender who like or by force take it up the ass many times from either gender. The act of one making another their "b*tch". Not recommended to take part in sexual activities with send people.
by the.master March 11, 2011
Get the Butt Slutmug. John: Oh my god, Kathy let me fuck her in the ass while her best friend was in the room.
Raph: She's such a butt slut!
Raph: She's such a butt slut!
by KillerByte October 18, 2004
Get the Butt slutmug. A woman who prefers and seeks out anal sex as often as possible.  Usually willing to let nearly anyone fuck her in the ass as much as they want.
by Anonymous December 20, 2002
Get the butt slutmug.