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

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 fish? We're discussing tax incentives for local businesses—not exactly a related topic!

Common Names:

Name	Pronounced	Usage
Indrajit	-	Hinduism, Bengali, Indian, Hindi
ŞUkrİYe	-	Turkish
Sybil	SIB-əl	English
Quinn	KWIN	Irish, English
Alys	AL-is	English
Alaba	-	Western African, Yoruba