back door betty

All good girls take it up the arse. If she's not a backdoor betty she's no lady.
by The big G March 23, 2004
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Back Door Betty

A beautiful woman who enjoys anal penetration during sex
"Do you know that girl?"
"Nah, but i wish i did, Beno used to go out with her and he reckons she's a Back Door Betty."
by bdbetty December 02, 2015
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