Banjaxed

n.

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

Ruined or destroyed. Can refer to a person or a thing.

In use

That car is banjaxed." "I was bloody banjaxed last night! Chuck that radio in the skip it's fecking banjaxed. I broke my leg it's banjaxed.

Posh English

That motor car is completely ruined. I was utterly exhausted last night. Discard that wireless into the skip for it is thoroughly wrecked. I fractured my leg and it is now quite useless.

Same phrase, other counties