The most common and most likely answer to this crossword clue is the 7 letter word POTHEEN
I've seen this crossword clue in The Guardian
P
O
T
H
E
E
N
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 POTHEEN mean?
POTHEEN noun- Illegally produced Irish whiskey; moonshine.
- (by extension) An unlicensed drinking establishment selling illegally produced Irish whiskey.