Consumed some water! (3)
I believe the answer is:
ate
'consumed' is the definition.
(to eat is to consume food)
'some water' is the wordplay.
'some' says the answer is hidden in the clue (some parts of the word are used).
'ATE' is hidden within 'water'.
(Other definitions for ate that I've seen before include "Bolted" , "included in one's diet" , "Munched" , "Devoured" , "Ingested" .)