на фига

what for

→ на
phrase Rare #49,023
what for Colloquial and mildly rude; often used to ask why something is necessary.
RU: На фига тебе две одинаковые куртки?
EN: What do you need two identical jackets for?

На фига вы все это затеяли?

Why the hell did you start all this?

— Radio Day (2008)

А на фига они мне?

What the hell do I need them for?

— Gentlemen of Fortune (1971)

А на фига мы к ним бежим?

Why the hell are we running over to them?

— Son of a Rich (2019)

На фига?

Why the hell?