The most common and most likely answer to this crossword clue is the 5 plus 3 letter word STAMP OUT
I've seen this crossword clue in Independent
S
T
A
M
P
O
U
T
More clues leading to the result STAMP OUT
- Some current beer bottles for Scotch
- Get rid of drink ensnaring a 21
- Completely dispose of host, not half a male with sulky expression
- Scotch and beer sustains a politician
- A politician into drink – Scotch
- Scotch and beer may ensnare a politician
- Get rid of a member tackled by porter?
- Get rid of beer a politician brought in
- Current measure in beer and scotch
- Get squash for a politician in the grip of strong drink
Buddy explains!

The straight part
We know that "Scotch" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case scotch = stamp out.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.