go it

phrasal

1. : to behave especially in a reckless, excited, or improper manner : carry on

he had been going it a bit too hard — Angus Mowat

2. : to proceed especially in a rapid or furious manner

was delighted to hear a Cockney call out above the cheering crowd “go it, old girl” — R.T.B.Fulford

3. : to conduct one's affairs : act

had casually toyed with the idea of going it alone — John McNulty

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go it

To act in a striking or dashing manner (often in imperative by way of encouragement)

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Main Entry: ↑go

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go (to) it

Brit., informal act in a vigorous, energetic, or dissipated way

Go it, Dad! Give him what for!