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Grindeldore 

In the Harry Potter fandom, Grindeldore is the term that identifies the slash ship featuring Albus Dumbledore and Gellert Grindelwald. On October 19th, 2007 at Carnegie Hall in New York City, J.K. Rowling, the creator of the Harry Potter series, answered a fan's question about Dumbledore's love life by saying that she had always thought of him as gay and that he had fallen in love with Grindelwald.
My gaydar went off all over Grindeldore when I first read the Deathly Hallows, didn't yours?
Grindeldore by KirkWilkins November 7, 2007
To dance dirty with a girl or a boy, at a party for example.
"hey joe, did you go to that party last night?"

"yeah dude! I grinded with Jane!"
Grinded by Breezer1992 January 17, 2009
to press together and move with a rotating or back-and-forth motion
In this day and age, i seriously think that if a woman asked me back for coffee then 9 times out of 10, i would presume that coffee beans would not be the only things that would be grinded. Or- She grinded her hips against my....
GRINDED by ELFIS September 8, 2011

grindhead 

an offshoot of the term "metalhead"

a term used to describe those whose musical preference leans toward Grindcore and all of its sub-genres including:

GOREGRIND
PORNGRIND
CYBERGRIND
DEATHGRIND

ETC...
Grindheads and metalheads are known to get along famously
grindhead by HATEFUCKED February 27, 2007
came about through playing too much of the Tony Hawk's Pro Skater games (that's a skateboarding video game ladies and gents) and realising that "I did a grind" was too awkward to say.
I grinded that rail then did a kickflip onto the tabletop
grinded by Matt Rowe November 16, 2004

grinded my mind beef 

A computer generated frase from an episode of college humor
Man your theory really grinded my mind beef
grinded my mind beef by LT-Falcon January 14, 2019
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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