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on stone 

equivalent to saying: dead serious, truth, forreal
she ugly as fuck on stone
on stone ima beat that bitch
on stone by Jbarbie20 March 5, 2012

On Stone 

A black person's reference to crack cocaine. Being under the influence of crack cocaine.
That nigga was on stone.
On Stone by Droodboygucci January 7, 2011

on stone 

When you are merching/putting something on something. When someone says on stone, you know it's serious. It's something not to be played with or taken lightly, by any means.
On stone, they disrespect scrapp nem again, we gone have to slide!
on stone by Tyrone Lashaundra April 30, 2025

Heart of Stone on the Rock 

The world's worst cocktail: tap water poured over a solitary ice cube.

Can also refer to someone in a position of authority not giving their mates any breaks
JJ: hey did you hear Bungle is now running the Balham Tup?
Pat: sweet, did he hook you up with free booze?
JJ: no way man, he'd even charge me for a Heart of Stone on the Rock!

Never put a stone on the table. 

Daniel's principle states that when one puts out a heavy topic at the communal table, one is either seeking attention or trying to instigate trouble.
Even when the conversation lulls, never put a stone on the table.

Stone Wall on Steroids 

Stone Wall on Steroids is the act of being in the way of ever new idea someone else proposes.
It is one thing to be against President Trump because my friend Jerry is a sore loser, it is quite another thing for Jerry to be a Stone Wall on Steroids on everything Trump does. He has lost all prospective on fair play.
Stone Wall on Steroids by deuniqued February 1, 2017
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
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