1. to hit someone or something very hard
Usage: informal
2. to defeat someone decisively
Usage: informal

1. a hard hit or blow
Usage: informal
2. the power to hit hard
Usage: informal

Examples

• The boxer walloped his opponent with a powerful right hook.
• Our team got walloped 42-7 in the championship game.
• She gave the nail a good wallop with the hammer.
• The storm walloped the coast with high winds and rain.
• That punch packed quite a wallop.
• The home team walloped their rivals in front of the home crowd.