Fn 4 

if u have a lenovo thinkpad laptop hold {Fn} and {4} at the same time while playing a game and you will instantly win the game! and your computer will be 4K

1. Harry: oi, press {Fn 4} and you'll win instantly
Dangaz: okay.

2. Harry: hold Fn and 4 at the same time it will make your computer 4K

Dangaz: Okay.

Computer: off

Fn 4 by HarryGrass August 12, 2019

esc F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 insert delete ` 1 2 3 4 5 6 7 8 9 0 - = tab q w e r t y u i o p [ ] \ capslock a s d f g h j k l shift z x c v b n m , . / shift ctrl fn alt space alt ctrl 

This is the peak of bordom, you decide that qwertyuiopasdfghjklzxcvbnm wasen't enough, and poiuytrewqlkjhgfdsamnbvcxz, and also qazsedcftgbhujmkol, and awsxdrfvgyhnjiklp, etc etc,

Person 1: bro im so boreddddddddddddddddddddd,
Person 2: have you tried esc F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 insert delete ` 1 2 3 4 5 6 7 8 9 0 - = tab q w e r t y u i o p \ capslock a s d f g h j k l shift z x c v b n m , . / shift ctrl fn alt space alt ctrl?
Person 1: OMFG DID YOU NOT READ THE PATCH NOTES??
person 2: wdym?
person 1: IF YOU SAY SOME WORDS THAT ARE TOO LONG YOU-
*person 2 explodes

esc F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 insert delete ` 1 2 3 4 5 6 7 8 9 0 - = tab q w e r t y u i o p [ ] \ capslock a s d f g h j k l shift z x c v b n m , . / shift ctrl fn alt space alt ctrl by hytredfghjkllo June 6, 2023

F.N 420 

A slang term for Fuck Nawa 420, Nawa is a private boarding school in French Gulch, California.
It was a parody of Cool Nawa 530 that English Teacher Russell Clark had as his computer password for quite some time

Jake and Gavin could be seen shouting 'F.N 420' as they threw Joey's bike over the bridge into the creek.

F.N 420 by Self-destructive Seductive Me October 29, 2010

fn4l 

fuckin nigga for life; adjective among fellow brethren niggas

fucking niggers for life; adjective towards lisa lampanelli and all other whores

that homeboy in tha trap house named Shanqwell Leroy Jamal the 3rd is mah fn4l.

since lisa lampanelli's booty meat is a black mans saviour she will be fn4l.

fn4l by Officer Nasty--archduke IV June 19, 2009