Fortismus 

Fortismus is a femboy from Moravia.

"Hey fellow femboy! Where are you from?"
"I'm from Zlín region."
"Oh so you are a fortismus?"
"Exactly."

Fortismus by stara rašple October 12, 2020

fortissississimo

Really fucking loud

"The orchestra sang fortissississimo..."

"Your fucking ears must've bled!"

fortissississimo by Some really loud guy September 2, 2016

fortismere 

Fortismere is a rich school that is filled with pregnant druggies, starting in year 7. The school is contains by 6 different types of people. The loners who don't talk and/or don't socialise. The Arty bitches, who always carry around annoying big ass bag that gets in peoples way. The Unique Bitches, who wear anything to be an outcast, but they're all hella popular. The hypebeasts who are never seen out of designer, side note always snobby. The btec roadmen who think they're bad but live in a five story house in Muswell Hill with their mum Sharron who drinks tea daily. And the 'edgy' skets who think there different but wear the most popular shit..

'Oh you go to fortismere! I have an Edgy loner hypebeast roadman friend that goes there, its so posh'

fortismere by 69streets downyour mums vagina July 8, 2018

fortississimo 

a musical term for triple forte

p to fff means huge crescendo into fortississimo

fortississimo by megsky February 20, 2007

Fortism 

A cross between the video game Fortnite and the mental condition Autism. This refers to those fuckers that practice synchronizing the hype emote or orange justice in the courtyard, then present it at the talent show.

Can also be used as Fortistic

The level of fortism at my work space is insane, no one wants to see your fucking synchronized orange justice guys, just get back to work!

Fortism by SomeBoiOnUD November 5, 2018

fartimus prime 

the prime of your fart, normally in the middle
how to spot it: when its more powerful, louder and stinkier

person: *farts*
person: i had a really good fartimus prime there

fartimus prime by Ur mum is a hobnob March 13, 2021

Fortism 

A deadly mental illness which causes innocent kids to be a virgin forever

also a close relative to the word Fortistic

Kyle: DUDE! I got laid yesterday! How about u?
George: soz dude but I have Fortism

Fortism by ($0$) September 9, 2018