Closes the active window. Used commonly to scam n00bs.
n00b: how duz i gets out of jails??
Someone: ALT + F4.
n00b has left the game.
Someone else: LOL HE GOT PWN'T
Someone: XD
by Racecar56 March 25, 2009
Top Definition
1. These keys will exit a program instead of using the exit icons.
2. A fun way to get rid of noobs in multiplayer games and chat rooms.
Halo guy 1: "Hey how do you change grenades?"
Halo guy 2: "ALt+F4."
Halo guy 1: diconnected
Halo guy 2: "HAHA stupid noob!"
Halo guy 1: re-enter: "Hey that's not funny dickhead!"
Halo guy 2: "STFU stupid Noob!"
by Punkhead May 25, 2005
Keyboard command to exit out whatever it is you are in.
Press Alt + F4 right now to close out Urban Dictionary.
by flclimax1 February 06, 2008
The generic way of remedying an otherwise impossible situation.
"Alt+F4 sorts you out"
by Dongasaurus May 23, 2006
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 22, 2012
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
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 05, 2016
Alt + F4 is used as a prank.
Newbie: "Do you guys know any cheats?"
Expert: "Yes, just press Alt + F4!"
*Newbie presses Alt + F4*
*Expert laughs*
by ALEXtheEMO August 21, 2009

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