informalHIT to hit someone or something very hard, especially with your hand 〔尤指用手〕猛击
—wallop noun [singular]
Examples from the Corpus
wallop• So one day, I got a newspaper, I rolled it up and I walloped her like mad.• He walloped his head on a beam.• And do you honestly think that I normally allowfemales to wallop me across the face?• Then Caroline would have to wallop my back to stimulate a return to normalbreathing.• Either leave or wallop them; one or the other.
Originwallop
(1300-1400)Old North Frenchwaloper, from Old Frenchgaloper; → GALLOP1