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Head Sex 

When you rub foreheads really hard with another person that your neck hurts the next day..
"My neck hurts from having rough Head Sex with Stephanie yesterday. "
Head Sex by YOGI SILVER March 31, 2017
Engaging in vocal sex via headset, i.e. through Xbox Live.
You and that girl seemed to really hit it off in TDM." "Yeah afterwards we had head-sex for like an hour, she told me she would do all sorts of nasty things to my wang.
head-sex by n00bPwnerD37ux3 April 26, 2011
Distinctively messed up hair that manifests after having sex.
I hate it when my mom has sex head, cause that's shit I just don't wanna know about.
sex head by Dungheap May 28, 2006

head to toe sex 

when the boy lies flat, the girl gives him head, and he fucks her with his feet.
dude, my girlfriend and i had head to toe sex last night, it was hot!
head to toe sex by hay-very January 11, 2008

sex-bed-head 

when a woman goes out in puplic not knowing that her hair looks fine from the front and sides but is totally knarled up in the back .
Hey, your hair is sticking straight out the back of your head. You totally have sex-bed-head.

Head (sexual) 

Something you will never get.
She gives great "head (sexual)"
Head (sexual) by AceBaze April 6, 2022
More from Urban Dictionary
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
korean word for madam, older woman
Ajumma wait a moment
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026
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