OMFFSM 

Used by Pastafarians and Spagnostics;

Oh My Fucking Flying Spaghetti Monster

Used like omg or omfg, but undogmatically broadminded... in marinara.

OMFFSM!!! That's a gnarly lil' eyepatch yea has there matey!

OMFFSM by Johnny Ringo aka Jeru Zalem March 14, 2009

OMFSMBDiC 

OG, mixtape, fire, success, money, bitches, dick, independent, cock

Or: Oh my fuck suck my big dic (easier to remember)

IG bio: Listen to my words! #OMFSMBDiC

OMFSMBDiC by Ya gurl fa May 14, 2015

OMFSM 

Oh, my Flyng Spaggetti Monster. More funny version of OMG

Moron1: I hacked Microsoft's webpage last night.
Moron2: OMFSM! That's Incredible!

OMFSM by OMFSM October 2, 2007

OMFSM 

"Oh, My Flying Spaghetti Monster!" is an atheist's version of OMG... and yes, it is also more funny. A "Z" may be added at the beginning for extra emphasis ;-)

Zomfsm... that's the best new-ish acronym yet!

OMFSM by saturn_000 February 23, 2008

OMFSM 

OFSM ( Oh My Flying Spaghetti Monster)
It's an atheist version of OMG ( Oh My God).

Guy "OMFSM did you see that?"
Guy 2 "Yeah totally!"

OMFSM by Zombieleon January 9, 2010