- to strike or beat vigorously with something flat; whack.
- a sharp blow with something flat.
Origin of thwack
Related Words for thwackblow, knock, pound, force, smite, bop, wallop, sock, bang, paddle, drive, thrash, smack, rap, thump, strike, whack
Examples from the Web for thwack
Historical Examples of thwack
Geddie leaped high and caught the roll with a sounding "thwack."Cabbages and Kings
His wife, taken aback, started up and gave him a thwack on the back.Pelle the Conqueror, Complete
Martin Anderson Nexo
She struck one plank a thwack with the small axe she carried in her hand.Green Eyes
Roy J. Snell
Then, above the murmur from the temple, he heard a sound in the corridor—a thwack.Caravans By Night
Jock's hand came down with a thwack on the papers before him.Personality Plus
- to beat, hit, or flog, esp with something flat
- a blow with something flat
- the sound made by it
- an exclamation imitative of this sound
Word Origin for thwack
"to hit hard with a stick," 1520s, of echoic origin. Related: Thwacked; thwacking. The noun is recorded from 1580s.