Backdoor Knock

When having sex doggie style and the guy's balls smack the girl's ass.
We were doing it doggie style last night and I gave her the backdoor knock.
by Lawnmoore February 06, 2009
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backdoor poof

A homosexual who enjoys getting pumped in the ass.They will sleep with any male of any species and often have little boy fetishes.They participate in jailhouse interracial gangbangs.
Josh stop hanging out with kane ya backdoor poof.
by Jaseizzle off the hizzle October 30, 2006
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Backdoor Salesman

1. One who offers a product or service in exchange for anal sex.
1. Guy 1: "The weirdest guy came over today, he tried to sell me a timeshare in exchange for anal"

Guy 2: "must be a backdoor salesman."
by :)XVX(: May 09, 2010
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Backdoor Bandit

1)someone who will come up from behind you, trip you off your feet and proceed to rape you up the ass
2) Someone who will take everything you own out of your backdoor while your away on hoildays, most likely a friend or family memember
3) Used to make fun of friends
1) "Marc is a backdoor bandit, He got Sally twice last weeK"
2) "My fucking T.V. is gone.... Fucking Backdoor Bandits
3) "Karl, your dumb as shit, you fucking Backdoor Bandit"
by Torrance Dodge August 02, 2005
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Backdoor Bandit

Homosexual persone who does other males in the anus.
So-and-so is a "Backdoor Bandit".
by Backdoor bandit April 07, 2003
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Backdoor Tomahawk

A backdoor tomahawk involves giving anal with a really big penis.
Chris:Dude!What are you doing

Brandon:Oh uh I just gave your mom the backdoor tomahawk.
by CHOPSSTEWY April 30, 2009
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