Darts players want these drinks (7)

I believe the answer is:

doubles

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'these drinks' is the definition.

I don't understand the rest of the clue.

(Other definitions for doubles that I've seen before include "Like Carton and Darnay" , "match in court" , "Made twice as much" , "Tennis match for four players" , "sort of game" .)

I've seen this clue in The Independent.

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