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peaked in high school 

(n./adj.) This phrase can be used to describe people that routinely bring up high school when they are well into their 30's, because they haven't had a single exciting or interesting experience since their senior year, and as such their lives and themselves are said to have, "peaked in high school."

This term is often used when speaking disparagingly about an individual or group. This phrase can only be used appropriately after-the-fact (i.e. after individual/group leaves high school) to accurately gauge if (s)he qualifies for such status.
I have noticed a lot of athletes, clowns, and bullies peaked in high school, whereas geeks, nerds, and dweebs are often at the lowest risk of 'peaking', because their high school experience(s) leave them no where to go but up.
To be your best self; the time in your life when you are at your best, most successful, funniest, coolest, most popular
Peaked by Vader42 May 26, 2015
Planked - Hit with the ugly stick
"That galdem Trisha is peng... but her mate Stella is PLANKED"
Planked by Herbert Schweffe February 23, 2021

Thug Pranked 

Thug: a young criminal who is aggressive.

Prank: a joke or trick that makes someone feel foolish.

Thug Pranked: A joke or trick that makes a person feel foolish performed by a person, place or thing. Thug pranks can be performed by people, cars, dogs, tables and anything else that you can name.

Usually, it is a prank performed by a young aggressive person who wants to have a good laugh.
The other day, I was sitting in a pizza shop waiting to thug prank someone. A business man came into the pizza shop and ordered a piece of pizza and a drink. The guy dropped off the piece of pizza at his table and walked to the other side of the restaurant to get his drink.

I walked over to his spot and took a big ass bite outta his piece of pizza. I took another big ass bite from his pizza and went back to my seat. When he returned to his seat, he looked at his pizza and said, "What the fuck!" and looked confused.

That fool got THUG PRANKED!
Thug Pranked by Random Adventures November 12, 2009

Peaked in high school 

This phrase is used to describe people who reached their maximum potential in high school. People who peaked in high school were the "coolest, most athletic, prettiest" they ever were or will ever be.
I can't believe she's a bum, Mia Baroni was a prime example of someone who peaked in high school.
When matter is compressed downward. A common word in Northeastern Pennsylvania dialect.
The snow was so panked I could hardly shovel it.
panked by Pzzzzz November 25, 2011
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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