Hit the buzzer? (4)
I believe the answer is:
swat
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">hit the buzzer?</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 swat that I've seen before include "Swift, sharp blow" , "Hit hard, say fly, with something flat" , "Hit smartly" , "Hit and crush (a fly)" , "District of Pakistan; sharp blow" .)