Irish

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 Irish people talk.

The slur continued with Irish confetti, a popular term for paving stones or Belgian bricks that were laid in New York streets beginning about 1832.