Fortissimo

The quietest volume a trumpet can play at.

Derek was a trumpet player, and was physically incapable of playing quieter than fortissimo. That was a good thing, since it meant the rest of the band's mistakes were not heard, only his own.

by owjiefi0 October 22, 2023

Fortism

Being an autistic Fortnite player

Fred night:ngurrhsg
Stacy: yeah he got the fortism

by Official word Nugget November 20, 2023

Fortis

Someone who constantly goes afk while you're trying to game, or dies because they were for some reason watching baseball again.

Man, this guy is fortising so hard that we wiped.

by mrawesome35000vr March 8, 2024

FortisConquest

Well known for paving his way through the roblox Community As the Premier of 500 Member Soviet Union also know to have a relationship with biggie conquest

FortisConquest used as saying he is Great

by Snoop6655433223 June 13, 2025

dub fortis

wheels on a car that measure 24"

man, look at them dub forties on that escalade!

by phegs November 24, 2003

Shoulder Fettish

Someone who's kisses shoulders (Emanuel)

"Emanuel has a shoulder fettish because he kissed my shoulder 3 times today in science"

by Mr. Floors March 1, 2017

failing fettish

when your teacher likes to fail you

mrs.butthead has a failing fettish because she keeps failing me

by rebatable_student February 22, 2019