Loser at Waterloo (8)
I believe the answer is:
napoleon
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">loser at waterloo</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for napoleon that I've seen before include "card game" , "In France, former sovereign" , "French emperor, d.1821" , "Gold twenty franc piece" , "Extended nap" .)