Cad a dhein trom bid?

exp.

Heard in Waterford

Phonetic 'Kodda yin trowm Bid' - Literally meaning 'what was it that made Biddy heavy' ie. pregnant. Used to describe something that there is no obvious explanation for on the face of it, but when the dogs in the street know what really happened.

In use

I dunno what happened boy, sure cad a dhein trom Bid?

Posh English

I haven't the foggiest what occurred, old chap, but surely everyone knows how Bridget came to be in the family way.