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man-back 

When you are fucking a girl doggie-style and her back is hunched over.
Steve: Hey, I heard you fucked Diane last night.

Ted: Yea I was hitting it doggie but she had man-back and it really turned me off.

Steve: That sucks, my girl arches it perfectly.
man-back by murf09 July 1, 2009

Old man's back 

When your back hurt so much that you can't function properly anymore.

Therefore making you an old man.
Man, this PE class gave me the old man's back!
Old man's back by PeterTheGreen February 28, 2017

Back-door man 

A married woman's lover, who is, incidentally, a legendary figure in blues numbers.
- Let's drink one for the road!

- No, I am late!

- No worries, man! Back-door man will be out when you arrive at home anyway.

back door man

the man that some ones wife is seein on the side. usualy came to the back door to avoid any other house wives seein him.
jimmy the pool boy is my back door man

Back Door Man

more background:
because the man she's cheating with would often use her "back door" for sex, have sex anally, so that the husband wouldn't detect she's had sex with someone else (if he had sex with her later). Also, for the woman, to avoid pregnancy by someone other than her husband. (and thus, avoid getting caught cheating when the baby didn't look like, or was a different color than, the husband.
That is Betty's back door man she's with tonight.
Back Door Man by xr7 August 31, 2004

Back Door Man

One who perfers to insert their penis into an anus
Look at Johnny checking him out. Johnny's a "Back Door Man"
Back Door Man by Fabian September 27, 2003
More from Urban Dictionary
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
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