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Just Jack 

Just Jack, often known as Just Wack is an self proclaimed artist from London. He also has a degree in furniture design which has helped his music career by allowing him to come up with lyrics such as
"Im lovin' Mary Jane, flyin' with Lois Lane, On board a bullet train".
Says he has a writers block but is blatantly a lie, he just cba's writing good lyrics.
Released a chart single recently called star's in their eyes, in which the video featured a stock car jumping through a hoop on fire and a man in drag. His new single is absolute bollocks, along with the video that is yet again pointless.
Kid 1:Tell your dad that the TV cabinet you sold us collapsed. Whats just Jack gonna do about it?
Kid 2:I'll get him to fix you up a new one and give you a complementary copy of the Album "The Outer Market" that leaped to 781 in the UK chart
Kid 1:Thats funny, my dad released an album that exact week and he said that it also reached.....
Kid 2:OK 782 then....
Just Jack by R4inman June 3, 2007
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just jack it january 

Similar to Destroy Dick December, Just jack it January entails that the individual must only "jack it" (Masturbate) with his/her (Gender Inclusive) free time. The challenge begins as soon as the little hand strikes 12 on January 1st. Many in the past have considered it to be a group activity as it begins on New Years day when many individuals are with friends and family.
Arjun: Man I'm so tired from destroy dick december
Diana: Get ready for round 2, a.k.a Just Jack It January!
just jack it january by J_A_D_G April 21, 2018

Just Jack January 

Just Jack January aka Blue balls month

Just Jack It January is the third part of "Torture Your Dick Months". If you didn't know it begins in November with "No Nut November", Then comes December with "Destroy dick December" and ends in January with "Just Jack January".

In Just Jack January you can not nut in a whole month but you have to masturbate a whole hour straight without stopping.
Guy 1: Hey Guy 2, do you wanna hang out
Guy 2: No sorry, i gotta {wank 1 hour} first. i gotta do just jack january

I don’t like Jack Harlow my dad was just joking lol I don’t like people interviewing me. 

I don’t like Jack Harlow my dad was just joking lol I don’t like people interviewing me.
I don’t like Jack Harlow my dad was just joking lol I don’t like people interviewing me.

Just Michael Jackson it

To tap out a bowl before it is entirely finished, or to "just beat it" out.
"Want to hit this Freddy?" "Nah, Just Michael Jackson it nigga."

I just hit the jackpot

A term for where you hit the jackpot of something-
Slot machine: you won!
Person 1: I JUST HIT THE JACKPOTTT-

This Just In: You're a Jackass 

A smart-ass retaliation to the insult Newsflash: I don't care.
Dude 1: Hey, did you know I just got a raise?
Dude 2: Newsflash: I don't care.
Dude 1: This just in: you're a jackass.
More from Urban Dictionary
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
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
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