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Bellsmith 

One who forges/smiths bell-ends. Used when calling one a 'bell-end' is not sufficient.
'Did you see how Tom de-throned that old lady at the pizza hut?'
'What a Bellsmith'
Bellsmith by RainbowRunna January 28, 2013

Ballmouth 

The unique taste that lingers in your mouth long after you've had someone's sweaty salty nuts in it.
I still have ballmouth, even after brushing my teeth repeatedly.
Ballmouth by Rudie's girl April 22, 2009

Ballsmouth 

1. An individual that frequently finds a male ball sack in his/her mouth.

2. Balls in the mouth.
"That Whoreen, what a ballsmouth! Nice gal though..."

"Matthew totally bunked out on the hockey game, what a BALLSMOUTH!"
Ballsmouth by Earache Baranski November 10, 2008
a unit of measure regarding to the top end speed of something.
when asked by the officer how fast he was going bill replied "im not sure but it was pretty ballsout.
ballsout by tellitizaman September 7, 2010
When your testicles are out of your pants through the zipper of your jeans.
"dude, your ballsout."
ballsout by TheLiriValley April 13, 2010

Dr. Ballsmouth 

Someone (usually a male) with a Ph.D. that finds balls in his mouth after doing something dishonourable.
Phil: "Did you hear that Colin, that doctor that everyone used to like, is getting a girlfriend?"

Seth: "Yeah, that sucks. We'll probably never see him after that. I bet he'll cheat on her on the reg too."

Phil: "What a bitch. Let's teabag that Dr. Ballsmouth."
Dr. Ballsmouth by quisas22 December 8, 2009
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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