Surprise cries (4)
I believe the answer is:
oohs
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">surprise cries</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>
(Other definitions for oohs that I've seen before include "Exclamations of surprise, shoo away" , "With aahs, they're expressions of delight" .)