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
Kitti	-	Hungarian
Rocco	ROK-ko (Italian)	Italian, Ancient Germanic
Arnald	['a:nəld]
Felice	[fə'li:s]
Inkar	-	Kazakh
Cesare	CHE-zah-re	Italian