Explode like a volcano (5)
I believe the answer is:
erupt
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">explode like a volcano</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 erupt that I've seen before include "What canines do" , "Break out like Etna" , "go up" , "Explode" , "Eject lava" .)