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When you're hitting it from the back and the flexible girl bends around and is sucking off your nuts at the same time
My nuts hurt, because my girlfriend bit my balls while I was giving her Backdoor Becky.
by Mohme10 June 04, 2015
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A woman with a fine taste for butthole pleasures.
Dude! She totally pulled a back door becky! Right on the first date!!!
by pisscake vonfritters July 21, 2016
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