The most common and most likely answer to this crossword clue is the 10 letter word BILLABONGS
I've seen this crossword clue in The Guardian
B
I
L
L
A
B
O
N
G
S
Buddy explains!
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 BILLABONGS mean?
BILLABONGS noun- A stagnant pool of water.
- A streambed that is only filled with water during the rainy season.
- A channel that dead-ends which extends from the main part of a river.
- An oxbow lake.