The most common and most likely answer to this crossword clue is the 6 letter word GAMINE
I've seen this crossword clue in The Times
G
A
M
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More clues leading to the result GAMINE
Buddy explains!
The straight part
We know that "Homeless girl" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case homeless girl = gamine.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 GAMINE mean?
GAMINE noun- A (usually female) street urchin; a homeless girl.
- A mischievous, playful, elfish, pert girl or young woman.
- (of a girl) Having a boyish, mischievous charm; tomboyish.