cunch, n. — Green’s Dictionary of Slang

cunch n.

also counch

(UK Black) the country (outside London and other cities).

2015		410 ‘Four Door Coming’ 🎵 Niggas so broke, why you moaning go live in cunch.
2015		150 ‘4 Door truck’ 🎵 Got a bando in counch and I got a bando on the hill.
2020		G. Krauze What They Was 273: Get yourself a nice spot in cunch, pattern the ting [i.e. drug sales], and eventually you end up kicking back in London.

In phrases

go cunch (v.)

(UK drugs) the use by adult drug dealers of young people to set themselves up as temporary drug sellers outside the usual metropolitan centres.

2018

Guardian 12 May 🌐 Excluded from school, she ended up in a pupil referral unit, where she says she learned more about ‘going cunch’ [...] as county lines dealing is known.