Green’s Dictionary of Slang

(Aus.) Australian.

1865		H. Kingsley Hillyars and Burtons (1870) 156: More particular over their rations than any cornstalk cockatoo.
1878		Australian I 526: If these are the heroes that my cornstalk friends worship so ardently, they must indeed be hard up for heroes.
1890		H. Nisbet ‘Bail Up!’ 51: Me boln in Sydney, me colnstalk Chinaman.