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
Maximus	-	Ancient Roman
Marjolein	MAHR-yo-lien	Dutch
Aron	AH-rawn (Polish), AH-ron (Croatian)	Polish, Croatian, Swedish, Norwegian, Danish, Icelandic
Betty	['beti]
Rajni	-	Indian, Hindi
Artur	ər-TOOR (Portuguese), ar-TOOR (Galician), AHR-tuwr (Polish), AHR-toor (German)	Portuguese, Galician, Catalan, Polish, Russian, German, Estonian, Swedish, Romanian, Czech