What's that got to do with the price of cheese

What's that got to do with the price of cheese?

A rhetorical question calling attention to a non-sequitur or irrelevant statement or suggestion made by another person. Primarily heard in UK. Yes, I agree that health care is an important issue, but what's that got to do with the price of cheese? We're discussing tax incentives for local businesses—not exactly a related topic!

Common Names:

Name	Pronounced	Usage
Giacinta	jah-CHEEN-tah	Italian
Dortha	DAWR-thə	English
Ernie	['ɜ:ni]
Aryan	-	Indian, Hindi
Dell	DEL	English
Otakar	-	Czech