Put down fruit drink (6)
I believe the answer is:
squash
This clue is a double definition.
'put down' is the first definition.
(I've seen this before)
'fruit drink' is the second definition.
(I've seen this before)
(Other definitions for squash that I've seen before include "that is seen in court" , "Drink and racket game" , "Squeeze; vegetable" , "Suppress - fruit drink" , "Ball game; gourd" .)