Run wild (7)

I believe the answer is:
rampage
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">run wild</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for rampage that I've seen before include "Rioting, for example" , "Frenzy" , "Violent disorder" , "Dash around violently" , "Rage wildly around" .)