The word was used originally in starcraft. Although not many know this word, it is there. If one says alt+f4 to another it means get the fuck out. alt+f4 is pressed to instantly exit a program and so it came to be that if one says alt+f4 to someone else, it means they should leave. People will trick n00bs into pressing alt+f4 if they seem to bother one.
1. Ok i think you should alt+f4.
2. Press alt+f4 its a cheat.
3. JUST alt+f4 YOUR ASS OUT OF HERE.
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