Banjaxed

n.

Heard in Limerick, Kilkenny, Cork, Cavan, Tipperary, Fermanagh, Galway, Donegal, Offaly, Longford, Kerry and Down

Utterly broken, smashed, or ruined beyond use.

In use

That telly is completely banjaxed you gowl!

Posh English

That television apparatus is utterly broken, you tiresome simpleton!

Same phrase, other counties