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Boss Fountain 

The large source of health, ammunition, magic, etc. found directly before a boss fight.
Matt: Dude, why is there suddenly so much ammo in this room?

Rob: I'm near the end of the level. It's probably the boss fountain.
Boss Fountain by omegaAngel July 20, 2013

Cream Fountain 

The act of ejaculating into a water fountain nozzle, and leaving it for the next person to get a nice creamy surprise. Usually performed by no-good high school kids for prank amusement.
Highschool Delinquent1: You should have seen the look on Mr. Faulkner's face when he turned on the cream fountain for a drink, dude

Highschool Delinquent2: Serves him right for failing us in Pre-Calc

Benish Fountain

Occurs when a fully-clothed man sitting in a living room incoherently unbuttons his pants and sprays a parabolic stream of urine from his penis
The stain on the carpet was not Cherry Pepsi after all; apparently in my drunken state, I created a Benish Fountain, and pissed all over the table and floor.
Benish Fountain by byron523 April 12, 2009

fountain pen 

Old fashioned yet way superior way to write. If used PROPERLY, they can be made to write with different thicknesses and consistencies, and they require little pressure to write. How can you not like a pen you have control over that doesn't give you arthritis?
Wow, that chick in class writing with the fountain pen has style!
fountain pen by Nnnick September 3, 2006

Magical Fountain 

When you stretch a woman's asshole so that its as wide as a dinner plate, and then fill it with milk and fruit loops, or the cereal of your choice. The woman then tenses her asshole, making the milk and cereal squirt out like a fountain, hence the name.

Eating the cereal afterwards is optional.
Oi Divya, I totally did the magical fountain with Sarah yesterday! Ate the cereal afterwards aswell!

Bill Fountain 

A hero. A legend. A Prodigy. The most interesting man in the world.
All hail and respect our leader, Bill Fountain.
Bill Fountain by KYKY March 1, 2013
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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