Quaffs (6)
I believe the answer is:
drinks
'quaffs' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for drinks that I've seen before include "they are to be swallowed" , "Consumes alcohol" , "Swallows liquids" , "Quaffs, imbibes" , "Beverages" .)