Noun
A large toad, Rhinella marina (formerly Bufo marinus), of Central and South America, introduced to Australia and various Pacific islands where it is now an invasive pest species.
2007 Gee, Joshua Encyclopedia Horrifica, Scholastic: New York. p110:
(Australia, slang, derogatory) A person from Queensland; a Queenslander.
Source: en.wiktionary.org