Like proverbial milk (5)
I believe the answer is:
spilt
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">like proverbial milk</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 spilt that I've seen before include "(Liquid) slopped" , "(Of liquid) dropped" , "Poured forth" , "Overflowed" , "Slopped over the edge" .)