Item of fast food (3,3)
I believe the answer is:
hot dog
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">item of fast food</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 hot dog that I've seen before include "Long roll containing sausage" , "Sausage in a roll - acrobatic skier" , "One panting" , "Sausage in a bun" , "'Frankfurter in a bun (3,3)'" .)