I. transitive verb Etymology: imitative Date: circa 1530 to strike with or as if with something flat or heavy ; whack , II. noun Date: 1587 a heavy blow ; whack
THWACK
Meaning of THWACK in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012