Knockout (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">knockout</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for lulu that I've seen before include "Outstanding person; singer" , "Berg's unfinished opera" , "Glaswegian 60s pop singer" , "wonderful thing" , "Attractive girl" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">knockout</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 kayo that I've seen before include "Fight's ending" , "floor" , "Stun" , "Decisive end to a fight?" , "KO (sl.)" .)