fn

fn is a abbreviated form of fanny - which is considered as the bottom in the USA and the front bottom on ladies in the U of K

'That skirt is so short I can almost see your fn'
'Put your fn away for god's sake woman'
'Listen mate I don't want to compare fns'

by Bo'diddly November 10, 2003

fn

Acronym for Fortnite, apparently.

Yo, I’ll call you back I’m in the middle of playing fn with my n!gga

by babyigotme June 06, 2018

fn

Just to shorten Fuck Nigga

Mike:"Tell that fn to calm the down."
Nick:"Oh ard."

by Yeet kid April 11, 2018

Fn

1. For now
2. Friday Night
3.Fashion Nova

1.”For my free trial I only have to pay 3.99 fn “
2. Dude-When do you wanna go on a date?

Girl-How about... FN?

Dude-Bet
3.Friend- Wyd poo

Friend 2- Looking for us some matching outfits on FN

by PeriodtPoo June 06, 2019

FNS

Generally, to screw someone or something over, or otherwise mess things up (such as plans or a game). Can be used interchangeably with Bullshit.

Darren: Hey man, I'm on our way
Madonna: Oh, well I'm about to leave
Darren: What? You said you were gonna be there for awhile
Madonna: Yeah but I got bored
Darren: This is some FNS, man

by fadu09 April 02, 2010

FN

A short form for lazy mutha fucka or Fat Nick

Fat Nick is a sticky greasy grimy slippery sloth and should not be trusted when he says "ill pay you back" or "man i dont have it" pictures of an FN can be found on the walls and the ceiling of Da Basement.

Yo its the FN the mutha fuckin' fatty's in yo' house dont let him sit down there'll be a dent in yo' couch

by Tremblah December 31, 2006

FN

Fairy 'nough.

<Subeta> KD + Dip Apprent + 7x DC = I win!
> Yeah, FN.

by the terminal sloth March 25, 2003