The most common and most likely answer to this crossword clue is the 8 letter word SAWN-OFF
I've seen this crossword clue in The Guardian
S
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More clues leading to the result SAWN-OFF
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 SAWN-OFF mean?
SAWN-OFF noun- Sawn-off shotgun