Brandy cocktail (7)
I believe the answer is:
sidecar
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">brandy cocktail</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for sidecar that I've seen before include "Motorcycle addition" , "that biker may take with him" , "Motorcycle add-on" , "Motorbike passenger attachment" , "Tipple" .)