This is the 8172nd most frequent Spanish word.
ozzie
The word "ozzie" is not Spanish; it is informal English referring to an Australian person.
Here, 'Ozzie' is used as a proper noun, serving as a person's name.
Mi amigo Ozzie es un excelente cocinero.
My friend Ozzie is an excellent cook.
In this sentence, 'Aussies' (similar to 'Ozzies') refers colloquially to citizens of Australia.
Compré un libro sobre la cultura de los Aussies en Australia.
I bought a book about Aussie culture in Australia.
'Ozzie' here is used as a synonym for an Australian person, emphasizing typical behaviors or traits.