Thwock
/θwɒk/noun
A variant or informal spelling of “thwack,” meaning to strike with a sharp, forceful blow, or the sound of such a blow.
Did you know?“Thwock” is an onomatopoeic variant of “thwack,” whose expressive initial cluster links it to English impact words such as “thud,” “thump,” and “whack,” though not through a shared ancient root.
Etymological Timeline
18th Century
English
thwack
“To strike forcefully; also, the sharp sound produced by a blow.”
19th Century
English
thwack
“An expressive verb and noun for a resounding hit.”
20th Century
English
thwock
“A variant spelling representing a heavy, resonant impact sound, especially in comics and informal writing.”
Modern English
English
thwock
“An informal onomatopoeic representation of a pronounced strike or impact.”