Angry stare (5)
I believe the answer is:
glare
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">angry stare</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 glare that I've seen before include "Shine intensely" , "Angry stare" , "Stare angrily" , "Stare fiercely - 5 down (anag)" , "Too-bright light" .)