Hit very hard (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">hit very hard</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 wallop that I've seen before include "Beat" , "Hit - the booze?" , "big hit" , "buffet?" , "Alcoholic drink" .)
(Other definitions for belt that I've seen before include "District" , "Zone; go quickly" , "Waist band; hit very hard" , "Swipe; item of clothing" , "See 18" .)