The most common and most likely answer to this crossword clue is the 2 plus 3 plus 1 plus 4 letter word TO ONE S HEAD
I've seen this crossword clue in Financial Times
T
O
O
N
E
S
H
E
A
D
Buddy explains!
The straight part
We know that "Where wine and spirits may go/and success also" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case where wine and spirits may go/and success also = to one s head.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.