FMSUF 

Fuck My Shit Up Fam

Omg look at that Daddy over there

FMSUF

FMSUF by Ginger_Jesus August 7, 2019

fmsu 

Fuck my shit up

Studied for 3 weeks straight and got a D-, just fmsu fam.

fmsu by Fmsu July 12, 2016

fmuf

Fuck me up fam

Jill: *getting haircut*

Barber: What do you want?
Jill: fmuf

fmuf by spum778 March 9, 2016

ffsufn 

Means For Fucks Sake You Fucking Noob

noob red bars zezima in bh
zezima gets pjed with 0s and exits
noob says ffsufn

ffsufn by mikeylufc1 April 26, 2008

Fmsud 

Fuck my sideways and uspide-down

FMSUD! If I have to take another guy's order at bk, i'll commit suicide.

Fmsud by Chrisachubacon September 5, 2010

fmaufd 

fuck me ass up face down

my girlfriend just texted me and said fmaufd

fmaufd by Addyurdaddy January 3, 2021

fmuffin 

An f muffin is a person who is very annoying also generally known as faggot (fag)

Fmuffin why did u just suck that fattys cock

fmuffin by Yugottabelukethat March 12, 2022