Will do (6)
(Other definitions for righto that I've seen before include "Agreed" , "Okey doke" , "Okey-dokey" , "Okay!" , "Correct" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">will do</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">will do</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>