1. beat severely with a stick or whip
2. defeat decisively in a game or competition
Usage: informal
3. move violently or wildly

Examples

• The farmer thrashed the wheat with a flail.
• Our team was thrashed 5-0 in the championship game.
• The fish thrashed wildly in the net.
• He thrashed the boy with a switch for stealing.
• She thrashed about in the water, unable to swim.
• The home team thrashed their rivals in front of a packed stadium.
• The prisoner thrashed against his chains.