FNS

FNS stands for Flared Nostril Syndrome. It occurs when someone has abnormally large and/or flared nostrils all the time. A perfect example of this syndrome is on Mark Texiera of the Yankees, he has a bad case of it.

Hey man, what's wrong with that guy's nose?

Nothing, he just has a bad case of FNS.

by Miker94 October 26, 2009

Fn

Fn means fortnite

Hey bro u wanna come sweat with me on fn, ill be playing with faYe_walee53

by Zanfan_candoss_dow April 14, 2020

FNS

Fart n Shart

"hey, what is that smell?"
"Oh don't worry about that little guy, it's just a little FNS"

"did you want to get some whataburger?"
"Heh I would but then I'll be a real FNS son of a gun"

"Hey, is Lad dawg working today?"
"Nah he's on leave and had to FNS"

by Fartnshartass May 2, 2022

Fn

Fn is a abbreviation (i think that’s the right word) for “Fuck nigga”

That boy right ain’t nothing but a fn 🫤

by Him fr. July 6, 2022

Fn

An example of saying fortnite the Epic Games game

Hey Roell, can u play fn tonight with me?

by Therealdealconn March 10, 2019

FN

Abbrv. First Nation people , belonging to the indigenous community (Canada /US)

A horse back riding festival is taking place in alberta and i am heading there to watch it
You told Me you are british ted
Half FN sally.

by TourageKnight July 13, 2023

FN

Fares Nedhal

is that a bird?
is that a plane?
wait its FN!

by kn8t November 27, 2019