thwack[noun]Synonyms: blow, biff, bop, crack, pound, smack, sock, welt, whack, whop
[TahlilGaran] English Synonym Dictionary ▲
thwack /θwæk/
noun [countable][
Date: 1500-1600;
Origin: From the sound]
a short loud sound like something hitting a hard surface
—thwack verb [transitive] [TahlilGaran] Dictionary of Contemporary English ▲