Lapsy pa
Cork phrase with a wide, hard to pin range. Locals know it; visitors will not.
Heard in Cork
Lapsy pa.

Shall I translate it into posh English for you, head?
I say, what a pleasant surprise. Here it is in posh English.
(A Cork expression of such breadth that no single polite English rendering will cover it.)
Questions
What does lapsy pa mean in Ireland?
Cork phrase with a wide, hard to pin range. Locals know it; visitors will not.
Where in Ireland do people say lapsy pa?
People say lapsy pa in Cork.
How do you use lapsy pa in a sentence?
“Lapsy pa.”
Updated
On the list: Irish slang phrases