Clear spirit (5)
(Other definitions for vodka that I've seen before include "Booze" , "Russian alcoholic drink" , "shot?" , "Spirit used in a Bloody Mary" , "Basis of a Bloody Mary" .)
'clear spirit' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for gin that I've seen before include "A short" , "Spirit, aka 'Mother's ruin'" , "Trap for catching animals" , "Clear alcoholic drink" , "Spirit; cotton machine" .)