Dubber
A Dubliner. A softer cousin of Dub.
All the lads in work are Dubbers, they think the country ends at the M50.

Shall I translate it into posh English for you, segosha?
Ah, a seeker of knowledge. Here it is in posh English.
All my colleagues are Dubliners. They believe the country ends at the M50.
Questions
What does dubber mean in Ireland?
A Dubliner. A softer cousin of Dub.
How do you use dubber in a sentence?
“All the lads in work are Dubbers, they think the country ends at the M50.”
Updated