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1. Last name given to someone who is completely epic.
2. This title can be self proclaimed or given by a friend or friends. Unless one has experienced a McBeastin, one may not name a McBeastin.
Megan Mcbeastin is the coolest person around!
McBeastin by That Kid, December 31, 2008

McBeauty 

When a certain young lady presents outstanding natural beauty, she may be termed a "McBeauty".
Has some relavence to the chat up line "If you were a McDonalds you'd be a McBeauty!" ;) Often followed by a whole lot of ignoredness...
"check that McBeauty out! Sheesh!" (elevated heart rate experienced).
McBeauty by Tommo June 1, 2004

mcbeastable meal 

the will be coming soon mcdonalds meal x mcbeast collab that everybody will be hyped up for
even the name sounds scrumpdiliumpcious
annoying ashy ad: new collab!! mcdonalds x mrbeast new happy meal! we present to you, the mcbeastable meal.
you: TAKE ALL MY MONEY
mcbeastable meal by darlingdanni September 19, 2022

Beaty McBeaty 

To describe someone/thing who looks beat af - a real eyesore.

A play on words with the word “beat” and utilizing “Mc” from McDonald’s for extra emphasis on the level of extreme beatness.
Boy: Damn girl you looking Beaty McBeaty this morning!

Girl: Leave me alone I’m not wearing makeup asshole
Beaty McBeaty by woopsey May 2, 2021
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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