Green’s Dictionary of Slang

1. ‘a woman of unsteady habits’ (Hotten, 1864) [? link to W. Country dial. kiddleywink, an ale-house].

1864, 1867, 1870		Hotten Sl. Dict.
1895		C. Crowe Aus. Sl. Dict. 41: Kidley-wink, [...] a woman of unsteady habits.

2. a small child [kid n.¹ (1)].

1982

N. Keesing Lily on the Dustbin 48: A ‘kiddilywink’ or ‘pipsqueak’ must acquire the vocabularies of mum, dad and siblings, two pairs of grandparents, assorted uncles, aunts and cousins, baby-sitters, neighbours and above all of other children.