Fierce

adv.

Heard in Cork, Kilkenny, Donegal, Cavan, Mayo, Offaly, Roscommon, Galway, Meath, Waterford and Kildare

Very. Also: excellent.

In use

That car is fierce quick." "You're a fierce soccer player, Mike.

Posh English

That motorcar is remarkably swift. You are an exceptionally talented footballer, Michael.

Same phrase, other counties