thwacked; thwacking; thwacks
Definition of thwack
(Entry 1 of 2)
: to strike with or as if with something flat or heavy : whack
thwack
nounDefinition of thwack (Entry 2 of 2)
: a heavy blow : whack
also
: the sound of or as if of such a blow
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Merriam-Webster unabridged
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Time Traveler for thwack
The first known use of thwack was circa 1530
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