The most common and most likely answer to this crossword clue is the 9 letter word COINTREAU
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More clues leading to the result COINTREAU
- Mint about to go in Greek character's drink
- Fizzy tonic with bottomless red, gold and orange drink
- A neurotic ordered a stiff drink
- A neurotic ordered strong liquor
- Drink, for little money, source of true river water in France
- Drink in endless bout, certain to get dizzy
- Drink made from mint utilised tea-urn largely
- Auctioneer carelessly spilling sweetheart’s drink
- Drink mint tea, we hear — right with vichy water
- Mint tea without sugar, the ultimate posh drink
Buddy explains!

The straight part
We know that "orange drink" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case orange drink = cointreau.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 COINTREAU mean?
COINTREAU noun- A single serving of Cointreau