Orange drink (6)
I believe the answer is:
squash
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">orange 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 squash that I've seen before include "Vegetable, drink and ball game" , "Vegetable - crush" , "Crush; gourd" , "Marrow" , "that is seen in court" .)