The most common and most likely answer to this crossword clue is the 5 letter word COCOA
I've seen this crossword clue in The Times
C
O
C
O
A
More clues leading to the result COCOA
- Bill’s companion catches cold, needing a warm drink
- Brief to raise over a drink
- Firms given answer making drink from beans
- Chanel needs a drink
- Drink companies start to advertise
- Two businesses introducing a drink
- Company doubled up on a drinking powder
- Gas and endless solid fuel for hot drink
- Famous clown taking a drink
- Clown needs a drink
Buddy explains!

The straight part
We know that "drinking powder" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case drinking powder = cocoa.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 COCOA mean?
COCOA noun- The dried and partially fermented fatty seeds of the cacao tree from which chocolate is made.
- An unsweetened brown powder made from roasted, ground cocoa beans, used in making chocolate, and in cooking.
- A hot drink made with milk, cocoa powder, and sugar.
- A serving of this drink.
- A light to medium brown colour.
- Of a light to medium brown colour, like that of cocoa powder.
- Coconut palm.
- Coconut, the fruit of the coconut palm.