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An abbreviation of Friday Night Funkin', basically a newgrounds.com version of osu! mania where you "rap" against a kid with a gun, an attractive dad and mom and two spooky friends
"Hey man wanna play some fnf"
"Nah sry it's too hard for me"
by thedecid34 January 05, 2021
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May 1 Word of the Day
When some little bitchboy is acting like a little tiny pee pee poo poo baby and messing up the group plans.
I’m tired I wanna go home

“Oh I didn’t know it was pee pee poo poo hours”
by A7sa July 03, 2019
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2
First and Fifteen, Lupe Fiasco's record label. Named after the street corner he grew up on in Chicago.
Lupe Fiasco dropped that track on FNF radio.
by Jason Duong April 06, 2008
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3
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
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4
Family Not Friends. It's commonly used to describe a friend that you love like family.
Yo Chris is my bro for life. That's FNF right there.
by ANAHSJJAIAIAKAJSNS April 15, 2019
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