Polish again getting snub? (6)
I believe the answer is:
This clue is a double definition.
'polish again' is the first definition.
('buff' is an answer for 'polish' so perhaps 'rebuff' is OK for 'polish again')
'snub?' is the second definition.
(I know that snub can be written as rebuff)
'getting' is the link.
(Other definitions for rebuff that I've seen before include "Blunt rejection" , "Spurn, snub" , "Cold-shoulder" , "Refuse" , "Reject bluntly" .)