What does the word thwack mean?

Usage examples for thwack

  1. 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
  2. We joy to behold one tiny figure belaboring another with his solid club or to follow the vicissitudes of a bout at single- stick, when both combatants thwack lustily at each other's wooden heads. – A Book About the Theater by Brander Matthews
  3. The big boat, which must have weighed close to half a ton, came off its flat car like a paper shallop, but the resounding thwack with which her bows hit a switch- frog awakened Blackmore's concern. – Down the Columbia by Lewis R. Freeman