Clue: 12 down's 52, old couple beyond sophisticated Cumbrian town drinking Bordeaux, say? (7,8)
Answer: CHICKEN VINDALOO
Explanation: Definition: rhyming bingo nickname for '52'
a couple of **O**ld and **O**ld, after **CHIC**="sophisticated" plus **KENDAL**="Cumbrian town" around **VIN**=French [for] wine="Bordeaux, say"