subs. (Australian).A fresh arrival from England: a NEW CHUM (q.v.).
1887. Chambers Journal, 23 April, 262. The JACKAROO is the invariable local name, or rather nickname, given to those young men who are sent out to the Australian colonies from almost every part of the United Kingdom in order to learn sheep or cattle-farminggenerally the formeras carried on at the Antipodes.
1881. A. C. GRANT, Bush-Life in Queensland, i. 53. The young JACKAROO woke early next morning, and went out to look around him.
1889. E. W. HORNUNG, in London Society Holiday No, Bushed. I had been in the colony but a few months, and was engaged as JACKEROOthat is, apprentice to colonial experience.