White wine and soda water (8)
I believe the answer is:
spritzer
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">white wine and soda water</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for spritzer that I've seen before include "Fizzy drink" , "Wine and soda cocktail" , "Wine/soda drink" , "Drink made of wine and sparkling water" , "Wine mixed with sparkling water" .)