Be jaysus

n.

Heard in Tipperary

An expression of surprise, used by the older generation and thrown into sentences much like 'oh my god'.

In use

Is he a ryan over der with the bawldy head on him?' reply with 'bejaysus he is!" "Be jaysus what the hells that

Posh English

Is that Ryan over there, the one with the bald head? By Jove he most certainly is! Good heavens, what on earth is that?