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fred's nest 

"Me & my girlfriend wer about 2 get it on last night and she pulled her pants down and she had some mad fred's nest!"
fred's nest by hermy&tranny September 20, 2009

Fred's Uncle 

in other words, Fuck You.
usually people says..FU instaed of using full sentence.
Jonathan : Our office is really quiet. what is wrong?
Maybe Kimberly is on vacation?

Wendy: FU from Kimberly~~!!

Jonathan: What does it mean 'FU' ?
Does it means 'Fuck You'?
HR~!!!!

Wendy: Don't be serious man~~~it means 'Fred's Uncle'
I have no idea... what are you talking about?
Fred's Uncle by Homerun Lee September 28, 2006

Fred Weasley's Wife 

Fred Weasley's Wife is a wonderful girl named Hayden Kosto. She is beautiful and she deserves Fred, Fred deserves her too.

Hayden is amazing but she doesn't think that she is, but she definitely is ♡
"hey, did you hear about Fred Weasley's wife, she is gorgeous!!"

Fred Flinstone's Memory Match arcade game 

Fred Flintstone's Memory Match was produced by Coastal Amusements in 1994.

Coastal Amusements released 68 different machines in our database under this trade name, starting in 1987.

Other machines made by Coastal Amusements during the time period Fred Flintstone's Memory Match was produced include Fred Flinstones Memory Match, Pop-A-Slot, Toy King claw machine, Slam Dunk, Sea Wolf, Powaire Jr. Air Hockey Table, Water High Rise, Roosta Shoota, Bug Blitz, and Big Wheel.
Bob: I want to play the Fred Flinstone's Memory Match arcade game.

Fred Dibnah’s Chimney Drops 

The deflating semi of an elderly northern gentleman when faced with a triumph turned tragedy.
“Speckled Jim was nearly back t’ loft, could have won that race in record time, but he must have had a heart attack or summat… dropped from the sky like a stone, next door’s whippet gor’ ‘im. I was proper chuffed like and nearly standing to attention, ‘til I saw that bloody dog. I got a reet case of Fred Dibnah’s Chimney Drops”

fred shitstain

A birth mark on the forhead.
Hey! That kid has a Fred Shitstain!
fred shitstain by OniFTW February 3, 2014
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
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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