Savage

n.

Heard in Dublin, Kilkenny, Cork, Meath, Leitrim, Mayo, Carlow, Longford, Waterford, Galway, Tipperary and Wexford

Someone or something that is exceptionally good.

In use

Ahh man thats savage" "Or that bird is really savage

Posh English

My dear fellow that is simply superb. That young lady is exceptionally attractive.

Same phrase, other counties