f4

In Natural-Selection (HL-modification) the F4 key when pressed, takes you out of the game and into the ReadyRoom, where you can choose to join a team or just jump about. When one team is getting completely wiped out, Some players may call out for the others to "F4!" as a way to end the game early, and sometimes, to deny the opposing team a victory.

they Have Skulks! F4! F4!

by Supernorn2000 January 24, 2004

f4

meaning fuck, commonly used in roblox.

awh f4, i forgot to tell you smt.

by kyo <33 October 16, 2023

f4$

Flame for cash= very gay site.

ruthless=gay member of F4$
get it?

by yo bitch wut up July 12, 2003

Alt+F4

The mean way to make a newbie quit on windows computers

Newbie: how do i ____?
Dick: Alt+F4
Newbie *quits and is discouraged to play and leaves which slowly makes the community only pros making new people steer away and eventually killing the game as a marketable object*

by Sleepy_Nerd June 12, 2015

ALT+F4

Life saver, Used in computer classes to close windows to save you from being caught doing you aren't supposed to

Guy 1: "Psst! the teacher's coming this way!"
Guy 2: "Alt+F4 Alt+F4!!!!!!

by ThePhasePhantom November 27, 2012

Alt+F4

The biggest life changing function in Windows. Used to close Chrome in Computer Science classes. It is also used in online classes to mute the volume of teacher. Thanks Microsoft for this stuff

My teacher asked me to volume down and I told him to press Alt+F4. I escaped from an online class

by DankWarrior703 March 21, 2020

ALT + F4

An unoriginal old prank that nobody falls for anymore, (except the 10 years olds)

10 Year old has joined the game.
10 Year old: Hey how do you run fast?
xxmLGpro69x: Press and hold ALT + F4
10 Year old has left the game.

by this is really long name February 5, 2016