Green’s Dictionary of Slang

a chicken, a fowl.

1789		Burns To Dr. Blacklock x: I wat she is a daintie chuckie.
1815		W. Scott Guy Mannering Ch. xlv: Our barn-door chuckies at Charlies-hope.
1844		W.H. Maxwell Sports and Adventures in Scotland ix (1855) 92: The gilly is cutting up the chuckie.
1865		Leaves from Diary of Celebrated Burglar 85/1: Alas! for chuckey, this ‘kidded’ her, and in a hop she was on the edge of the bowl, and the next instant the bowl was in pieces on the floor and the peas scattering about the shop!
1888		‘Rolf Boldrewood’ Robbery Under Arms (1922) 53: Ye’ll ma’ nae heed of convairtin these young caterans ony mair than ye’ll change a Norroway falcon into a barn-door chuckie.
1901		Northern Star (Lismore, NSW) 6 Mar. 5/6: He placed 13 eggs under a hen but after a few days ‘chucky’ struck and wouldn’t hatch any longer.
1908		J. Gunn We of the Never-Never (1962) 228: Soo-oup! Chuckie! Ha-am!