Thrash about (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">thrash about</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 flail that I've seen before include "Thresh about" , "thrash around" , "Wave about wildly" , "Weapon; swing wildly" , "Threshing device" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">thrash about</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for flounder that I've seen before include "fumble?" , "flail" , "swimmer in the sea" , "Thrash about helplessly around the fish" , "Stagger clumsily in mud (or water)" .)