FSM

Stands for Film Soul Mate. The best person in the world who you can make films with, you're practically telepathic and always know what the other one is thinking. You always work great together!

Person 1. Lelinh is my FSM
Person 2. Wow, thats amazing! The 2 best possible things in 1!

by ThatAwesomeFilmmaker April 11, 2012

FSM

FANTASTIC SLOW MASTURBATION:
WHEN YOU MASTURBATE SLOWLY AND IT HAS A FANTASTIC ENDING

I HAD THE BEST FSM LAST NIGHT!

by SILVER HELMET RETARD May 17, 2009

FSM

Fat Stomach Man: a man with a fat stomach.

Look at that FSM eating a huge omelette!

by SarahDup December 24, 2007

Fsms thick

Fsms thick is when your jeans don't have air in them there for you are thick by fsms standards.

She's not thick but she's fsms thick

by Xela Enivoe September 30, 2017

FSM

Fat Smelly Man or Fat Stinky Man

I went out on a blind date with a FSM! Ick!

by jbonz April 24, 2007

fsm

"For Sure Motherfucker"

Me: Yo wanna go out?
Bro: Fsm!

by hhoes August 23, 2018

FSM

1First Spinjiztsu Master
creator of the LEGO world Ninjago from 'LEGO NINJAGO'
FSM is commonly used when texting

Flying spaghetti monster
Weird ass cult worshippers

The FSM was one of my favorites in ninjago

We worship the FSM on tuesdays

by erenyeagerfr September 01, 2023