The most common and most likely answer to this crossword clue is the 5 letter word TOPES
I've seen this crossword clue in The Daily Telegraph
T
O
P
E
S
More clues leading to the result TOPES
Buddy explains!

The straight part
We know that "drinks" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case drinks = topes.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 TOPES mean?
TOPES verb- To drink excessively; to get drunk.
- A small, grey, European shark, Galeorhinus galeus, that has rough skin and a long snout.
- A grove of trees.
- A mound-like Buddhist sepulchre, or memorial monument, often erected over a relic; a stupa.