Sham

exp.

Heard in Sligo, Waterford, Cork, Clare, Donegal, Limerick, Mayo and Galway

A form of greeting. Can also mean friend or fellow.

In use

Well sham." "Hey sham, how's it goin'?

Posh English

Good day, old fellow. Hello there, my dear chap, how are you keeping?

Same phrase, other counties