Gluggar

n.

Heard in Tipperary, Cork and Kerry

A bad or rotten egg.

In use

Be god moll dis bleddy egg ya biled, is a gluggar, sorry tim I'll do ya anudder wan.

Posh English

Good heavens, Moll, this wretched egg you boiled is completely rotten. Forgive me, Timothy, I shall prepare another for you directly.