The most common and most likely answer to this crossword clue is the 7 letter word SHEILAS
S
H
E
I
L
A
S
Buddy explains!
The straight part
We know that "Australian girls!" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case australian girls! = sheilas.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SHEILAS mean?
SHEILAS noun- A woman.
- A shayla, a headscarf worn by Muslim women.