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Boston Cheese Mask 

The sexual act of one man squatting himself over another mans face while he is lying down. He proceeds to deficate on the submissive males eyes and then sit on the excrement to spread it on the eyes. He the proceeds to squirt his love juice in the mans mouth to create the Boston cheese mask.
Linsley: "Man, Dom and Kelly came round for dinner and after watching lord of the rings I gave Dom a Boston cheese mask."

Cheesemaker 

A man with an uncircumcised penis.

So called because, if unwashed, the region between the head of the penis and the uncircumcised skin could develop a sweaty, smelly residue - a bit like smelly cheese.
Paul was glad he wasn't a cheesemaker because he only washed once a week.
Cheesemaker by toroboy July 18, 2009

Cheesemas 

A very important holiday celebrated on the 18th of December every year to celebrate the meaning of life (CHEESE)don’t ask why cheese is the meaning of life if you have to ask you will never know
Hey cheesemas is next week are you excited

What’s cheesemas

The most important day of the year
Cheesemas by EvaLovesToDraw June 14, 2020

cheesemaster 

Being excessively cheap, mainly used as slang for the beastmaster in war3:tft or anything else that is perceived as overpowered.
That beastmaster was such a cheesemaster before they nerfed him.
cheesemaster by muppet June 25, 2004

Cheesebasket 

used as an adjective to describe someone or someones actions when they are being cringe or weird
can you believe Alex said that in class today, he is such a cheesebasket
Cheesebasket by therealkanyewest November 3, 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

Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.
Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
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