Green’s Dictionary of Slang

(UK Und.) a turkey.

1674		Head Canting Academy (2nd edn).
c.1698		B.E. Dict. Canting Crew n.p.: Cobble-colter c. a Turkey. A rum Cobble-colter, c. a fat large Cock-Turkey.
1707		J. Shirley Triumph of Wit.
1719		A. Smith Lives of Most Notorious Highway-men, etc. (1926) 204: Cobble-colter, a turkey.
1725		New Canting Dict. [as cit. c.1698].
1737, 1759, 1760, 1776		Bailey Universal Etym. Eng. Dict. [as cit. c.1698].
1754		Scoundrel’s Dict. 19: A Turkey – Cobble-colter.
1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue.
1811		Lex. Balatronicum.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.
1837		Disraeli Venetia I 150: Come old mort [...] tout the cobble-colter; are we to have darkmans upon us?
1848		Flash Dict. in Sinks of London Laid Open.