Definition of cornstalk in English:

cornstalk

Pronunciation /ˈkôrnstôk/ /ˈkɔrnstɔk/

noun

  • 1The stem of a corn plant.

  • 2Australian, New Zealand informal A person born or resident in New South Wales.

    • ‘he was keen to recruit someone other than a cornstalk in order to counter the Sydney bias’
    1. 2.1archaic A native-born Australian, as distinct from an immigrant.
      • ‘as fast as the cornstalks grew, new settlers from Britain arrived with their cultural baggage’

Origin

Early 19th century in cornstalk (sense 2) with allusion to the alleged tallness and leanness of native-born Australians.