Overdo it (2,3,3)
I believe the answer is:
go too far
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">overdo it</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 go too far that I've seen before include "Exceed reasonable limits" , "Overstate" , "Overstep the mark" , "Behave unreasonably" , "forget to leave the bus?" .)