To move quickly, but with great effort; to gallop.
- To beat soundly; thrash.
- To strike with a hard blow.
- To defeat thoroughly.
- To move in a rolling, clumsy manner; waddle.
- To boil noisily. Used of a liquid.
- A hard or severe blow.
- The ability to strike a powerful blow: has a punch that delivers a wallop.
- The capacity to create a forceful effect: "Therein lies the novel's emotional wallop and moral message” ( George F. Will).