Top of the morning
The famous Irish greeting that no Irish person actually says. Pure stage-Irish, kept alive by films, St Patrick's Day cards and tourists. Say it to a local at your own risk.
Top of de mornin' to ya!" "Ah here, nobody says dat.

Shall I translate it into posh English for you, horsebox?
Good evening. Sherry? Here it is in posh English.
"A very good morning to you!" "Oh, really now, nobody says that."
Questions
What does top of the morning mean in Ireland?
The famous Irish greeting that no Irish person actually says. Pure stage-Irish, kept alive by films, St Patrick's Day cards and tourists. Say it to a local at your own risk.
How do you use top of the morning in a sentence?
“Top of de mornin' to ya!" "Ah here, nobody says dat.”
Updated
On the list: Irish slang phrases