E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Chick-a-biddy (A).
A childs name for a young chicken, and a mothers word of endearment to her young child. Biddy is merely the call of a child, bid-bid-bid-bid to a chicken.
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Do you, sweet Rob? Do you truly, chickabiddy?Dickens: Dombey and Son.