The most common and most likely answer to this crossword clue is the 9 letter word SAUTERNES
I've seen this crossword clue in The Times
S
A
U
T
E
R
N
E
S
More clues leading to the result SAUTERNES
- Foolishly sneer at US wine
- Eastern US is mad for sweet wine
- Cooks entertaining drinker, oddly lacking drinks
- So swivel round when speaking for a glass of this?
- One leaves sandwiches to grab auntie regularly distributing wine
- Sees aunt getting tipsy drinking last of summer wine
- Wine brewed nearest us
- Drink distributed in eastern US
Buddy explains!

The straight part
We know that "sweet wine" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sweet wine = sauternes.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 SAUTERNES mean?
SAUTERNES noun- A wine imitating those of Sauternes.