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Fastcore is a term for fast styles of hardcore (ie thrashcore, power violence, crustcore etc). As these genres can sometimes be difficult for people to tell apart, the term Fastcore can be applied to the lot, making the labelling of bands easier.
625 and Sound Pollution are some of the premier fastcore labels in the world
Fastcore by ConcreteHorizon August 30, 2006
Related Words
Although a music type much like THRASH, the term THRASH is too closly related to METAL, THRASH METAL, and the like. Don't get me wrong all mentioned above rule!!! Fastcore is a more clean sounding, usually non grinding guitars, abrasivly fast drums (blast beats), with usually mid to higher pitched screamin vocals...?
fuck on the beach, charles bronson, cold world,....etc...
FASTCORE by steven May 13, 2005
Dirty films played in fast forward, where the action becomes so fast that sexual arousal is intensified by thirty times.

Usually spectators climax before unzipping their pants.
"I went to see a fastcore movie and glued my pants to myself"

"Hey kid, wanna touch it?"
FASTCORE by Jedimintrick October 22, 2006

Fartcore 

Fartcore is not to be confused with Deathfart. Fartcore still retains the underlying melody of flatulence. There's more oxygen and hydrogen. Deathfart is all about the rhythm of sulphur.
Gustav switched from a life of Taco Libre and Deathfart to Sibylla and Fartcore, and we are all breathing easier.
Fartcore by Tia Mat November 2, 2015

Fartcore 

A type of metal (music) completely comprised of farts. Normally includes brutal fart breakdowns and insane fart shredding. Vocals normally include low fart growls.
"DUDE...YOU HAVE GOT TO HEAR THIS FART BREAKDOWN...ITS THE MOST BRUTAL FARTCORE IVE EVER HEARD"
Fartcore by ddeathhhhd October 28, 2009

fashcore 

Emo kids (especially female) that tend to follow bands/scenes (expecially the screamo/hardcore croud) just for the trend/coolness at the time.
"I love Metallica! Rock ownz!!!1!!111"
Next week:
"Rock music's lame let's all go listen to something cool like Atreyu"
fashcore by Pheed July 10, 2005
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
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