MFX 

Abbreviation for motherfucking EXTREME
When extreme simply isn't enough to describe the intensity/coolness of a person or situation, one may use MFX to really sell just how extreme it is

cool guy: does a triple backflip while playing guitar on fire then wrestles a shark
friend 1: holy frick that guy is extreme
friend 2: nah bro that guy is MFX
friend 1: oh for sure

MFX by BobaWolfee July 22, 2021

MFX 

THE ACRONYM IS FOR MULTI EFFECTS, COMMON USED IN MIDI DEVICES.

!

EXAMPLE: I GOT MY NEW CONTROLLER MFX TO PRACTICE MIXIN` EVERYWERE!

MFX by MAMBO BLACK April 2, 2021

MFX 

Another term for a gay furry
The M representing the masculinity of the relationship, the F representing the fur, and the X represents a kiss

Adam: "uwu Alan is just so dreamy"
John: "I always knew you were an MFX"
Adam "I know I am owo"

MFX by ExuberantPanda7 December 21, 2020

MFX 1209 

My cue to leave the darn room as fast as possible

Some piano music began and MFX 1209 displayed on the screen, so I ran for the exit as fast as I could.

MFX 1209 by TheRootSquad June 24, 2021

MFX_bonbon 

MY XBOX NAME I use to like fn freddy no longer UGH

Hey MFX_bonbon

are you a FURRY? me: FUCK NO

MFX_bonbon by anonymous February 24, 2021

MFX_bonbon 

MY XBOX NAME I use to like fn freddy no longer UGH

Hey MFX_bonbon

are you a FURRY? me: NO

MFX_bonbon by MFX_bonbon February 24, 2021