Backdoor Betty

A girl that enjoys anal sex, sometimes even over vaginal sex. This is usually a secret preference, and not advertised by the girl, to avoid jokes and to protect her "reputation" as a "nice" girl.
She'll never admit it, but I've heard that she's a Backdoor Betty!
by TheMaskedMarvel February 01, 2010
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Backdoor Betty

A slut who takes it in the poop chute often!
damn that backdoor Betty sure loves it in the arse!
by opotimus April 03, 2006
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