Pinch a little drink (3)
I believe the answer is:
nip
I believe this clue is a double definition.
'pinch' is the first definition.
(nip can mean to pinch or bite)
'a little drink' is the second definition.
(I've seen this in another clue)
(Other definitions for nip that I've seen before include "Catch" , "A small whisky" , "severe cold" , "(Give) a small sharp bite" , "Pinch; drink of spirits" .)