Pronunciation: (wol'up),[key] —v.t. 1. to beat soundly; thrash.
2. Informal.to strike with a vigorous blow; belt; sock: After two strikes, he walloped the ball out of the park. 3. Informal.to defeat thoroughly, as in a game.
4. Chiefly Scot.to flutter, wobble, or flop about.
—v.i. 1. Informal.to move violently and clumsily: The puppy walloped down the walk. 2. (of a liquid) to boil violently.
3. Obs.to gallop.
—n. 1. a vigorous blow.
2. the ability to deliver vigorous blows, as in boxing: That fist of his packs a wallop. 3. Informal. a. the ability to effect a forceful impression; punch: That ad packs a wallop. b. a pleasurable thrill; kick: The joke gave them all a wallop. 4. Informal.a violent, clumsy movement; lurch.
5. Obs.a gallop.