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 20, 2009

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Knocking on a glass door

Doing something unnecessary like knocking on a glass door

Why are you knocking on the glass door you can see in there “knocking on a glass door”

by Alpine but September 12, 2023

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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 19, 2005

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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 August 1, 2013

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Knocking on heaven's door

When your dick is so big that the head repeatedly bounces off the cervix during intercourse.

"Yo Leish, remember Tyrone that boi i I had ova last nite!?!

"U kno it girl, wha he do?"

"Gurl his dick so big he be knocking on heaven's door all night kno whA am sayin?"

"Shit guerrrlll"

by Fadiastheonlyone August 22, 2016