Sentence:  "A. Fink-Nottle:" But it's absolute balderdash, Bertie. I mean, listen to this: "Sure and begorrah, I don't know what's after being the matter with you, Michael." I mean, what on earth is this "what's after being" stuff mean?/ "B.W. Wooster:" My dear old Gussie, that is how people think <WSD>Irish</WSD> people talk. 
Meaning of the word marked with <WSD> tags:  Pertaining to or originating from Ireland or the Irish people.