Skither

n.

Heard in Longford and Cavan

An insignificant but jumped-up fellow or girl. Also: Diarrhoea.

In use

I was queueing up for a full hour when this little skither came up to me and tried to tell me that I was in the wrong line" "It must have been the curry that gave me such a dose of the skithers

Posh English

I had been queuing for a full hour when this rather pompous little upstart approached and attempted to inform me I was standing in the incorrect column.

Same phrase, other counties