A term used to label the dialects spoken by Cossacks living in Russia, heavily influenced by Ukrainian dialects but features akanye, like standard and central Russian.
From regional Russianбала́чка(baláčka, “conversation, chat”), from the regional Russian verb бала́кать(balákatʹ, “to talk, to chat”) (cf. regional Ukrainian verb бала́кати(balákaty))