Cry uncontrollably (3)
I believe the answer is:
sob
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cry uncontrollably</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for sob that I've seen before include "Blubber" , "Weep heavily, wail" , "Cry uncontrollably" , "Weep convulsively" , "Weep uncontrollably" .)