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I'd knock the back out of that!

Said about a sexually appealing woman, with whom you would be very eager to have sex.

To explain the metaphor: you may be a little too vigorous, and push your penis all the way through her, hence, knocking the back out of her... Obviously not physically possible, but a good, although rather crude, metaphor

Guy A: Phwoar, Check her out, what a stunner!
Guy B: God yeah, I'd knock the back out of that!

by Dr Mox April 7, 2007

62πŸ‘ 13πŸ‘Ž


knocking on the back door

Pressing the tip of one's erect penis against a woman's anus in the hope that she'll agree to anal sex. This technique is futile 99.753% of the time, but persists due to the collective male delusion that women secretly love to be invaded in this way.

Boyfriend: (knocking on the back door)

Girlfriend: How many times do I have to tell you??? Get that thing away from there!!!

by Carl Pinkerton May 16, 2009

108πŸ‘ 19πŸ‘Ž


Knocking at the back door

When someone with a hard on grinds it against your ass while dancing, cuddling, spooning, or just standing behind you.

Tanya loved spooning but hated when her boyfriend used it as an excuse to go knocking at the back door all night.

β€œThat guy at the bar was cute but he was knocking at the back door all night on the dance floor and that’s why I didn’t go home with him. Why bring someone home if you know he’s just packing half a roll of Life Savers in his pants?”

by Brett Burkhardt April 27, 2008

29πŸ‘ 7πŸ‘Ž


knocking on the back door

When a man feigns an attempt at anal penetration in order to startle his partner.

Woman: I told you I don't do that!

Man: Don't worry, I'm just knocking on the back door.

by wiggy_G November 21, 2009

26πŸ‘ 7πŸ‘Ž


knocking on the back door

During anal sex, the person that is doing the penetrating and thrusting is the one that is doing the "knocking," and the anal opening is, obviously, referred to as the "back door."

When Eric and Amy are in bed, he's always knocking at the back door.

by Zeeky H. Bomb March 20, 2005

42πŸ‘ 40πŸ‘Ž


knocking on the back door

n. when a man attempts anal sex without requesting verbal permission. Often involves either precursory acts such as foreplay (rimming, anal fingering) or preceding acts (spreading of ass checks, tapping head of penis on anus, pushing the tip of the penis onto the orifice without full insertion) to signal one's attempt at anal intercourse.

After doing it doggystyle with Jackie, I started knocking on the back door. She didn't object so I totally stuck it in her butt until she screamed.

Richard Johnson kept knocking on the backdoor last night in bed, but I told him to stop since I barely know him.

by calisp July 2, 2013

7πŸ‘ 6πŸ‘Ž


knock the back door in and put the extension up

Polite euphemism for anal sex, just crying out to be written into an updated Carry On film based around DIY enthusiasts.

Jack Douglas : "I'll be finished as soon as I've knocked her back door in and put me extension up"
Sid James : "Hwar har har!"

by TC Raymond July 21, 2005

19πŸ‘ 23πŸ‘Ž