Airheads is purely a work of fiction. The plot and characters were created for entertainment purposes and have no basis in reality. So, it's not based on a true story at all.
I'm not entirely sure specifically which 'airheads true story' you are referring to. It could be about real - life events related to people who are considered 'airheads' in a sense, perhaps some kind of comical or misadventurous tales.
There are indeed some 'Airheads' concepts that are based on true stories. For example, if we consider the term 'Airhead' to describe someone who is a bit scatter - brained or naive in real life, then a story might be crafted around such a character type that is inspired by real - life examples. It could be about their misadventures, their relationships, or how they navigate through different situations. The creators might have observed such people in real life and decided to create a story, be it a movie, a TV show or a written piece, around that basic concept of an 'Airhead'.
In many World War Z fanfictions, Australia is often portrayed as a relatively safe haven. Its isolated geographical location can be a big advantage. The vast deserts and strict quarantine measures in some fanfictions are depicted as ways to keep the zombie hordes at bay. For example, some stories might show that Australia uses its naval power to patrol its large coastline and prevent any infected from reaching its shores.
Yes, there are. Some fanfictions might explore how the Australian wizarding community has its own unique traditions. For instance, their Quidditch games could have some differences, like using different types of brooms made from local magical plants. Their magical schools might teach different spells based on the local magical environment.
One example could be a character in a sitcom who is always getting into silly situations because of their ditzy nature, and that character might be based on someone the writer knew in real life.