The most common and most likely answer to this crossword clue is the 2 plus 4 plus 3 letter word ON THIN ICE
I've seen this crossword clue in Independent
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More clues leading to the result ON THIN ICE
- Experiencing treacherous wintry conditions, sailing close to the wind?
- Once hit in crash, vulnerable
- About to take the plunge perhaps, mixing nicotine with heroin
- Destroyed nicotine, protecting hearts at risk
- Supply no hint before 18 at risk
- . Living dangerously, I hint about bungs in the past
- Icon in the building in a precarious position
- Run into bit of hassle over fine — don’t count on support here
- Nothing pleasant about silly hint in a risky situation
- Threatening to make a breakthrough that could be dangerous
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.