Banjaxed

n.

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

Broken or ruined beyond repair.

In use

The car is banjaxed so I'll be going nowhere tonight.

Posh English

The motorcar is quite incapacitated so I shall not be venturing anywhere this evening.

Same phrase, other counties