Vodka cocktail (11)
(Other definitions for screwdriver that I've seen before include "Cocktail (vodka and 4 down juice)" , "that'll turn a few heads" , "Drink" , "Tool used to tighten" , "it gives the fixer a turn" .)
'vodka cocktail' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Another definition for white russian that I've seen is " Cocktail".)
(Other definitions for bloody mary that I've seen before include "Queen regarded unfavourably" , "it could be an eye-opener" , "The Red Queen" , "Tomato juice and vodka" , "Vodka-based cocktail" .)