The most common and most likely answer to this crossword clue is the 4 letter word SLUE
I've seen this crossword clue in The Daily Telegraph
S
L
U
E
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 SLUE mean?
SLUE noun- The act of sluing or the place to which something has slued.
- A slough; a run or wet place.
- To rotate something on an axis.
- To turn something sharply.
- To rotate on an axis; to pivot.
- To slide off course; to skid.