Definition & Meaning of "Aussie"in English

What is the origin and meaning of the word "Aussie"?

Aussie is an informal term for a person from Australia, often associated with a laid-back, friendly, and outdoorsy lifestyle. It is widely used both within Australia and internationally as a casual, affectionate nickname for Australians. The term reflects national pride and is often tied to cultural symbols such as the beach, sports, and a relaxed sense of humor, contributing to the global image of Australian identity.