Ejaculating on a person's face after having anal sex.
Guy 1: did you take that girl from the bar home with you last night?
Guy 2: yea, and I gave her a back door insult!
Guy 1: oh gross dude.
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Jerking off a guy behind you onto your ass.
Oh man, this guy gave me a killer back door Benny behind the Burger King.
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The most hardcore porno ever created, from the south park episode "the fellowship of the lord of the rings
includes a scene of 5 midgets, spanking a man covered with thousand island dressing
Chris : Back door sluts 9 makes crotch capers 3 look like naughty nurses 2!
Gerald : It is the single most vile, twisted, dark piece of porn ever created.
Shiela : How the hell do you know???
Gerald : Uh, i read about it in uh, People.
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When with a woman the male forcefully conducts at least three hours worth of anal, he does this by trapping her when she least expects it and then procedes to enter the back door (HARD anal). If the woman is able to walk the next day then the males technique is incorrect.
"Hey connor whats wrong with your mom"?
"Oh Tim just gave her the Back Door Trap Door last night, this morning has been rough for her".
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verb - the act of fingering a girl and feeling your penis through the back of her vagina while having anal sex
Dave:Dude! i just pulled the back door pickle tickle on Jessica!
John:Holly shit man i didn't know she was that kinky, what a whore!
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When your friend gets married and you never see him anymore because his wife keeps him in an unseen basement.
"Hey have you heard from Andrew lately?"
"No, Karen has him locked in a back door trap door."
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A term used to describe the act of anal sex, popularised by Keith Lemon.
(courtesy of Keith Lemon),
'I want to smash your back door in and spunk on your tits'.
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