A girl, or homosexual male, who craves anal sex.

When you eat dirt for the first time and leave your family to build a shack in the woods

A chick who craves anal, prefers anal to vaginal sex.

A girl who will, without hesitation, let someone engage with her in anal penetration

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.

one with a compulsion for taking it in the ass.

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.