an abbreviation for first and fifteenth; the days when welfare checks are issued and therefore the days that hustlers and dealers make the most money. Also Lupe Fiasco's record label and catch phrase.
"I told you I would show up screaming out FNF"

-Emporer's Soundtrack
by Dr. Dredel outta l'ville December 15, 2009
Get the fnf mug.
gurlll i’m fnf i know i’m not getting cheated on
by fno dada May 9, 2022
Get the fnf mug.
First night fuck, you got to the bar on friday hoping to meet a girl and fuck her that night hence the FNF first night fuck
Dude how was that bar last night? It was dope I got hammered, met a hot girl and pulled an fnf
by Alidan101 April 9, 2016
Get the FnF mug.
Abbreviation of ‘Friday Night Funkin’ a super cool game. there are 7 weeks. week 1 you fight your hot gf’s dad (Daddy Dearest), week 2 you fight 2 spooky kids (skid and pump) from Sr Pelo’s spooky month, week 3 you fight a kid with schizophrenia with a gun, (pico) from Pico’s School, week 4 you fight your gf’s super hot mom (Mommy Must Murder/ Mommy Mearest), week 5 you fight christmas gf’s parents and a creepy lemon that wants to kill and eat you (lemon demon/monster) week 6 you fight a dude that was trapped in a dating simulator (senpai) and week 7 you fight the mascot of Newgrounds.com and an angry military boi (tankman)
You: dude, how are you so bad at fnf?
Yo friend: idk i don’t practice much.

You: well get better i can beat tankman
by uwuwuwuwuwuwuwuwuwuwuw May 25, 2021
Get the fnf mug.
noun. F.n.F. is otherwise an acronym for Fat Nigga Finesse. It is only given to the nibbas that finesse their way out of or through any situation.
verb. The act of FnFing is when a nibba can manage to finesse his/her way out of any situation with relative ease.
What the fuck Ethan?! You just FnFed me about of my sausages! I paid $2.99 for those and you ate 5 of them! What the Fuck!!
by Hepatightass November 28, 2017
Get the FnF mug.
a game that funkin blew up whith 1000000000 mods
u wanna play fnf?
by AXOLOTL 5243 January 16, 2022
Get the fnf mug.