The most common and most likely answer to this crossword clue is the 8 letter word ANISETTE
I've seen this crossword clue in The Guardian
A
N
I
S
E
T
T
E
More clues leading to the result ANISETTE
- It's eaten? That's wrong — it's drunk
- Liqueur from India sporting neatest bottles
- Curiously it's a teen's postprandial drink
- Liqueur a popular retired crossword compiler doesn’t finish
- Cordial missive from Folketing possibly avoiding extremes
- Cordial group one leads in climbing volcano
- Liqueur drunk neat? I decline to go into that
- Cordial advance? I arrange to be accepted
- Drink consumed around 13, tipsily?
- Liqueur made in top Eastern state
Buddy explains!

The straight part
We know that "Drink" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case drink = anisette.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 ANISETTE mean?
ANISETTE noun- A French alcoholic liqueur flavored with anise