This is the heavy thwacking sound heard in hand-weaving.
"Home Life in Colonial Days" by Alice Morse Earle
The Judge raised the strip of leather and brought it down with a resounding thwack across the boy's legs.
"At the Little Brown House" by Ruth Alberta Brown
He brought down his fist upon the desk with a resounding thwack.
"The Return of Peter Grimm" by David Belasco
From outside came a sound of wheels, and the shouting of some one, and the sharp thwacks of a wooden whipstock upon the backs of fat horses.
"The Wit and Humor of America, Volume X (of X)" by Various
I'm taiching him (thwack), and taiching him (thwack), and he won't be taicht!
"The Manxman A Novel - 1895" by Hall Caine
Play another trick of the kind and I will thwack thee on the snout.
"A Treasury of Heroes and Heroines" by Clayton Edwards
Gilmour dropped the besom and hit him a sounding thwack on the ear.
"The House with the Green Shutters" by George Douglas Brown
Seeing which, his antagonist dealt him a thwack that made his head spin, and nearly lost him his footing.
"Five Little Peppers at School" by Margaret Sidney
Cromwell thwacked the Old Faith; he loved him not for that.
"Privy Seal" by Ford Madox Ford
It came down with such a thwack, that the whole company started up from sleep and clapped their wings.
"What the Moon Saw: and Other Tales" by Hans Christian Andersen
Meanwhile, Ben sweeps on like the wind, hearkening even in his haste for the welcome "thwack, thwack" of his father's axe.
"Little Folks (November 1884)" by Various
Seizing one of the foresters' pikes the lean-faced man foully swung it down upon Much's pate with a sounding thwack.
"Robin Hood" by Paul Creswick
With one thwack of it he was felled to the ground.
"The Story of Don Quixote" by Arvid Paulson, Clayton Edwards, and Miguel de Cervantes Saavedra
On the backswing, it thwacked resoundingly against the thug's ribcage.
"Nor Iron Bars a Cage...." by Gordon Randall Garrett
It was a complete miss, this time; yet the bear leaped in fear when the bullet thwacked into the dust beside him.
"The Strength of the Pines" by Edison Marshall
The screeching and hurrooing and thwack-slamming that was going on up that tree was marvellous.
"Baby Jane's Mission" by Reginald Parnell
Why merciless thwack PETER's coat?
"The New-York Weekly Magazine" by Various
Then there were louder shrieks beneath the canvas and a more liberal distribution of thwackings.
"The Legend of Ulenspiegel" by Charles de Coster
At the same moment there was a heavy thwack against the side of the canoe; and Jack, mindful of crocodiles, bolted up the bank.
"Samba" by Herbert Strang
He gave Mr. Ely a resounding thwack upon the shoulder, which doubled him up as though he were some lay figure.
"The Woman with One Hand (and) Mr. Ely's Engagement" by Richard Marsh
"Really, it's a shame they don't let me on the national team," said Mr Lolua, 67, thwacking his last tile down for a win.
The thwacking of Herman Cain.
The thwack of ball and bat.
No way to know for sure, but Byron Donzis just might hold the world record for being thwacked in the belly with a baseball bat.
Who's the last person who bugged the crap out of you so much you wanted to thwack them in the head.
I'm talking about a child winding her arm in the manner of a (fast pitch) softball pitcher and making contact multiple times — thwack, thwack, thwack.
Record-Breaking Squash Player Thwacks Brother with 175 MPH Ball.