1. [late 19C+] (also chook-a-loo, chook-chook, chookey-hen, chookie, chucky) a chicken.
2. [late 19C+] a woman.
3. [1950s+] (N.Z.) a fool.
4. see bush chook under bush n.1
see dog’s dinner n.
[1980s] (N.Z.) the mouth.
[1960s+] (Aus.) used to convey one’s extreme annoyance with another’s actions or words.