Wedding paper (8)
I believe the answer is:
confetti
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wedding paper</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 confetti that I've seen before include "Paper pieces thrown at wedding" , "shower of a union?" , "Wedding paper scraps" , "Paper pieces festively thrown" , "Stuff to throw at weddings" .)