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Pyro main 

a degenerate furry or weeb who usually plays the pyro class from team fortress 2 and enjoys being the most annoying thing in the server.
normal human being: oh no! its a pyro main!
pyro main: OwO *notices your bulge* UwU
Pyro main by NotaSpyMain October 29, 2020

Pyro Main 

A pyro main is someone that can’t play any class that takes skill (not saying pyro doesn’t take skill) and will camp with his flamethrower which will usually be the only weapon he uses and wait for people to pass by.
Dammit I got killed by that damn pyro main again!!!11!1!!
Pyro Main by CurryIsTheGoodStuff August 16, 2019

pyromainiac 

A pyromainiac or pyro for short is a person that loves fire, they like to destroy things with it and they are drawn to it. I for one am a pyro and theres nothing wrong with that other than the fact i'm probably gonna be in juvy for arson soon but fire is a very suductive element and although people like it there are only a few pyros left.
Jeff: dude that girl has always got matches with her even though she doesnt smoke

Ken: i know dude shes a pyromainiac she was in juvy last year for arson

Me: I can hear you ya know!!!
pyromainiac by Eternal flame March 22, 2009
More from Urban Dictionary
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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