Zero Fucks Given - the act of literally not giving a damn about something.
Girl: I can't decide if I want to wear this dress or this other dress. Honey, what do you think?
Guy: Wear what you want. ZFG.
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Guy 1: Dude, bro code. You can't go for that chick. Josh will kill you.
Guy 2: ZFG. He's the one who dumped her. She's fair game.
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