The most common and most likely answer to this crossword clue is the 6 letter word NIMROD
I've seen this crossword clue in The Daily Telegraph
N
I
M
R
O
D
More clues leading to the result NIMROD
- In the Bible he hunted game with stick
- Some variation, perhaps, in bedroom — both upside down?
- Hunter getting room to cut kill back
- Sent over to murder, stopped by Mr Hunter
- …some martini, Mr. O’Donnell?
- Hunter put game on stick
- Hunter to beat troops up, on reflection
- Aircraft noise envelops old commandos ascending
- Hunter of game given stick
- Elgar’s most famous variation in D-minor?
Buddy explains!

The straight part
We know that "Hunter" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case hunter = nimrod.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 NIMROD mean?
NIMROD noun- A foolish person; an idiot.