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The One-One 

In specific reference to a subject, person, and/or place from a previous conversation in time.
After talking about a store in the mall, John tells Kim, "let's go to the one-one."

When referencing a girl that share mutual friends, Kim tells John, "the one-one was looking good tonight."

In correspondence to beer brands as they drive to the liquor store, John tells Kim, I should pick up the one-one.
The One-One by JC Robot December 1, 2010

I am the one the one the one 

you are the one.
I am the one the one the one. Try to unscramble this message. I W I L L N O T L I V E T H A T L O N G P L E A S E H E L P

Ac!d Versus The Bullshit One Of Oners 

the one who knocks

In the criminal underworld when a man becomes so powerful he is able to show up at another man's home and kill him without repercussions, there are two people involved in this scenario. The one who opens the door and gets shot, and the one who knocks.
I am not in danger, Skyler. I am the danger. A guy opens his door and gets shot and you think that of me? No. I am the one who knocks!

-Walter White
the one who knocks by WelcomeTo March 16, 2014

the one true king 

Stannis of House Baratheon, First of His Name, King of the Andals and the First Men, Lord of the Seven Kingdoms, Protector of the Realm,
Stannis is the one true king

HE WILL BRING THE DAWN STANNIS FRIST OF HIS NAME TRUE KING OF THE SEVEN KINGDOMS

Mukuro Ikusaba, the 16th student, lying hidden somewhere in this school. The one they call the ultimate despair. Watch out for her. 

Mukuro Ikusaba, the 16th student, lying hidden somewhere in this school. The one they call the ultimate despair. Watch out for her.
Mukuro Ikusaba, the 16th student, lying hidden somewhere in this school. The one they call the ultimate despair. Watch out for her.
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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