[Echoic; cf. PINK sb.6, SPINK sb.1 1.] A local name for the chaffinch.
1816. Stephens, in Shaw, Gen. Zool., IX. II. 444. It [Chaffinch] is called by various names in this country, such as Horsefinch, Pink, Twink, Spink, &c.
1829. [see PINK sb.4].
1881. Miss Jackson, Shropsh Word-bk., Twink, the Chaffinch.