The most common and most likely answer to this crossword clue is the 4 plus 3 plus 4 plus 4 letter word GIVE THE GAME AWAY
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More clues leading to the result GIVE THE GAME AWAY
- Throw a match, and fail to keep it secret
- Act as a generous hunter maybe and talk indiscreetly
- Generous grouse shooter may squeal
- What kind shooters do on Glorious Twelfth, snitch?
- Lose and squeal
- Divulge what they do in ‘Danny, the Champion of the World’
- Concede one must have let the cat out of the bag?
- Spoil a surprise — no poacher will…
- Reveal a plan to spill a crucial catch perhaps?
Buddy explains!

The straight part
We know that "Divulge" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case divulge = give the game away.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.