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Sentinelese 

The Sentinelese is the tribe of North Sentinel Island. They are the last hunter-gatherer tribe in history and will lash out and attack outsiders. Basically, you shouldn't mess with them.
Jessica: Hey, have you heard about the Sentinelese? I've heard they're the last hunter-gatherer tribe in history!
Brandon: Yes, they live in North Sentinel Island and will lash out and attack outsiders. You shouldn't mess with the Sentinelese, Jessica.
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Sentinelese welcome 

A rapid, straight-to-the-point, and potentially life-threatening way of expressing your emotions to an unwelcome visitor.
He reserved his best Sentinelese welcome for the local Jehovah's Witnesses.
Sentinelese welcome by Gittles November 30, 2018

Sentinels Syndrome 

Anyone with this syndrome is automaticly a pro gamer, and pretty good at any game. The only downside is that you are pretty bad at defending pack and carno cave and will lose it within a day.
Ur in sentinels? Wow you must have the Sentinels Syndrome.
Sentinels Syndrome by helvette123 February 26, 2021

Les Sentinelles 

A regiment/community formed on Roblox, and Discord. The regiment/community distinctly follows the aspect of 1800’s/Napoleonic Line Infantry. Made by the user ZENKNT1102 on July 18, 2022.
“The 58e Calls For You.”
-Tofu86Drifter (A member within Les Sentinelles)
Les Sentinelles by Tofu86 October 24, 2022

Sentinels of the devourer 

Terraria bosses.
Annoying to fight.
Need i more to say?
arc : bro i fucking hate the Sentinels of the devourer, whenever i try to do them in death mode armageddon i get killed
terrarian : yeah they are so annoying
More from Urban Dictionary

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
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
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