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Jarshitter 

A person that plays video games too much. A person that never puts the controller down even to use the restroom. When a jar shitter has to shit they shit in a jar
Man did you see that guy quick scope me from a mile away... what a Jarshitter

Wow that guy is 30-0 he hasn't died once what a Jarshitter
Jarshitter by TyBundy September 20, 2019
When your livelihood was largely based on the ability to accurately shoot long distances, but you are incapable of throwing a corn filled bag a distance greater than 10ft.
All he had to do was get one bag on the board for the win, but he threw a Jarussi.
jarussi by Deeply Dissapointed August 22, 2017

jarbs balls 

A phrase meaning "the utmost in greatness". Similar to "bees knees". Often referring to a incident or spectacle that includes a large amount of bravery or courage.
"Did you see that? That was the jarbs balls!"
jarbs balls by Pudding Cloud September 12, 2011

Japsycho 

A male or transtesticle being who gets a kick out of inserting different types of objects in through his pee hole before ejaculating on to them. It is believed that the first person to become a registered "japsycho" was a homosexual butler from Norwich who in the late 1800 was found inserting his masters toothbrush deep in his urethra whilst staring at a damp patch on the ceiling and uncontrollably moaning in an aggressive manner. After the incident the butler was arrested, but he wasn't charged after he claimed he couldn't look at certain objects without getting a stiffy and feeling the need to stick them up himself. After people got a whiff of the butlers story and his masters youngest son got a whiff of that toothbrush, more a more japsycho's started to pop up out of nowhere, popping all sorts of different objects out from their penises. It is said that after realising how difficult it is to insert an object as large as an amputee's peg leg in though a male urethra, it is possible that they may make it an olympic sport, but the chances of that are lower than a midgets waistline.
Keith: I heared that Leroy got kicked out of the rave by security for sticking a glowstick down his pee hole.
Derrick: I know I heared! Poor Leroy... He can't help being a japsycho!
Keith: I know I do feel for him... I wonder what happened with that glowstick though?
Japsycho by Funkdoctorforeskin March 31, 2023

Jaroszewski 

Surname of a group of Polish men with huge penises.
He's huge, he must be of Jaroszewski decent.
Jaroszewski by irhythems July 1, 2009
Brown Filipino boy.
Name came from Ma's maiden name and Pa's last name.
Ma and Pa made Jarson
Jarson by murderrheads August 13, 2008
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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