One of the mysteries of the English language finally explained.
1Australian and NZ. A newly arrived immigrant; a new arrival to an area. Now chiefly historical.
2Australian and NZ. A novice, newcomer, or beginner; a person inexperienced in a particular occupation, activity, etc.
Australian and NZ. That is a newly arrived immigrant, novice, etc. Also: characteristic of such a person; raw, inexperienced, unsophisticated, amateurish.
Early 19th century (in an earlier sense). From new + chum.
new chum/ˈnjuː ˌtʃʌm/
In this article we explore how to impress employers with a spot-on CV.