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The endeavor of sodomizing an active partner or a person to whom which you're affiliated with in a sexual bond. A pre-eminent phrase originally used by Led Zeppelin's Front-man - Robert Plant - in their track "Whole Lotta Love".
girl: "I really like you, but is there anything you would like to share with me before we do it...?"

guy: " I want to be your backdoor man..."

girl: "...."
via giphy
by Justcallmetiony May 31, 2018
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