The most common and most likely answer to this crossword clue is the 12 letter word COFFEEHOUSES
I've seen this crossword clue in The Times
C
O
F
F
E
E
H
O
U
S
E
S
Buddy explains!
The straight part
We know that "Places drinkers might get a black eye" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case places drinkers might get a black eye = coffeehouses.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 COFFEEHOUSES mean?
COFFEEHOUSES noun- An establishment where coffee is served to clients; a café.