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Katana Zero 

Katana Zero is an Indie, Cyberpunk, Neo-Noir, 2D, side-scrolling, hack and slash, retro, platformer, action game developed by Askiisoft and published by the legendary Devolver Digital. The game is about a Samurai named Zero who is a war veteran and forgot all about his past but is slowly starting to remember it by each night in his dreams. He goes to his psychiatrist every day for his "medicine" which he doesn't actually know is a war drug called Chronos which is what give Zero the ability to slow down time and reverse time on death which was given to him without him knowing the effects or his permission. He also is given a dossier with a target to assassinate. You go through different places such as a hotel or a mansion in which you must kill goons to get to the target and kill them. The game has many similarities to Hotline Miami such as the story and aesthetics but is also very different in terms of gameplay.
Frédéric: Have you tried Katana Zero?
Øyvind: No, I haven't.
Frédéric: You definitely should, it's far more superior than Undertale!
Katana Zero by Speedsonic75 July 16, 2020
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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.
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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.
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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!"
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korean word for madam, older woman
Ajumma wait a moment
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