Split the bill (2,5)
I believe the answer is:
go dutch
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">split the bill</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 go dutch that I've seen before include "Pay for your own meal - in Holland?" , "Pay for your own entertainment - in Amsterdam?" , "Split the bill" , "to pay only half" , "split the cost" .)