Mixer drink (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mixer drink</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 soda that I've seen before include "Soft drink" , ""Splashed" drinks mixer" , "Whisky mixer" , "Accompaniment to whisky" , "Sodium carbonate" .)
(Other definitions for tonic that I've seen before include "Carbonated mixer" , "Key" , "fizz" , "Restorative that invigorates" , "Invigorating medicine - keynote" .)