Jackaroo /(?)/

Jack·a·roo

Jackaroo

n.
  1. A young man living as an apprentice on a sheep station, or otherwise engaged in acquainting himself with colonial life. [Colloq., Australia]

Jackaroo

v. i.
  1. To be a jackaroo; to pass one's time as a jackaroo. [Colloq., Australia]