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 1, 2010

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 22, 2006