Loud explosion (5)
(Other definitions for blast that I've seen before include "Strong gust of air" , "slate" , "Severely criticise" , "Effect of explosion" , "Loud noise from a horn" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">loud explosion</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 bang that I've seen before include "hit" , "Completely modern" , "A loud report or a collision" , "Explosive noise" , "Sound of explosion" .)