Why does the word 'thongs' have different meanings in Australia

We translated Aussie slang so you don't have to - Student One

What is the origin of the word 'thong' and what does it mean when used as an adjective? - Quora

I remember (in the US), what people called thongs, people call

G-String, Thong and Brazilian Bottom Swimwear Is In This Summer

Why is the word 'Jap' not offensive in Australia but it is in America? - Quora

When you think of Australia, what do you think of (besides thongs and sunny beaches)? - Quora

Does it say 'thongs' instead of sandals in the Australian copy

Australian English words and phrases Americans just don't get

Does it say 'thongs' instead of sandals in the Australian copy