Noun thwack has 1 sense
  1. thwack - a hard blow with a flat object
    --1 is a kind of
    blow
    Derived form: verb thwack1
,Verb thwack has 1 sense
  1. smack, thwack - deliver a hard blow to; "The teacher smacked the student who had misbehaved"
    --1 is one way to hit
    Derived form: noun thwack1
    Sample sentence:
    The fighter managed to thwack his opponent
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