Clatter

n.

Heard in Galway, Sligo, Kilkenny, Westmeath, Dublin, Tipperary, Waterford and Cork

A heavy, resounding blow or slap delivered to someone, usually during a scuffle.

In use

I hit him a right clatter across the earhole for running off with my hurley!

Posh English

I administered a most vigorous cuff to his auditory organ for absconding with my hurling stick!

Same phrase, other counties