FNM 

Friday Night Magic.

A weekly tournament held at the local game store on Friday nights, where people throw down MTG cards for about 4 hours.

Sinclair: Yo dave, you coming to FNM tonight? It's modern format.
David: Yeah sure! What's the entry cost?
Sinclair: $5. See you down there.

FNM by catron44 December 8, 2016

FNM 

FNM stands for Faith No More. Faith No More is an American rock band from San Francisco, California, hailed as one of the most influential metal/rock bands of the late 80s and early 90s, and credited for inventing alternative metal and as an influence on nu metal.

Bro 1: Link me to some good music, bro.

Bro 2: Here's "Epic" by FNM.

Bro 1: FNM?! They're fucking epic!

FNM by feasty August 21, 2012

Fnm 

Fucking Numerous Mothers, This is what Fnm04 stands for btw

Person 1 : Hey what does fnm04's name stand for ?
Person 3 : Fucking Numerous Mothers (4)

Fnm by Corrupt_W May 31, 2022

FNM 

Fucking Northern Monkey

If that FNM Mark gets on my nerves one more time, I'm going to get his arse all the way back to Manchester

FNM by Cornish Boy December 1, 2007

fnm04 

fnm04 is a Geometry Dash youtuber who makes videos about well "Geometry Dash" most of his Geometry Dash videos are about Botting humanly Impossible Levels for example "silent circles" and "arcturus" he currently has 15 Thousand Subscribers on YouTube he is a really cool guy and just did a face reveal.

"Hey dude, you know that awesome youtuber called fnm04?"
Yeah! He is amazing!

fnm04 by KrisYaYT April 16, 2021

fnm04 

fnm04 is a Geometry Dash youtuber who makes videos about well "Geometry Dash", most of his Geometry Dash videos are about Botting humanly Impossible Levels for example "wWWw (by Buk)" and "Ballistic wistfully (by Eightos)". he currently has 15 Thousand Subscribers on YouTube he is a really cool guy and just did a face reveal.

person 1: *goes to person 7's room and closes door agressively*
person 1: HEY HAVE YOU HEARD OF THIS AWESOME YOUTUBER NAMED fnm04?
person 7: y-yeah he's awesome
person 19 (fnm04): *investigating what just happened*
person 7: *realizes that he lives in the same house as fnm04*

fnm04 by xX 44100 Xx December 18, 2021

F'NM 

Fake News Media, also known as the Main Stream Media, or MSM.

The F'NM is just propaganda to control what people think and how they feel. Garbage In, Garbage Out. Seek out reliable news sources. The truth shall set you free.

F'NM by Preserve Liberty June 10, 2019