You searched for: “thrash
thrash, thresh
thrash (THRASH) (verb)
1. To whip, to hit, or to defeat: "Because of his disobedience, the school master said that he would have to thrash the student."

"Our team is determined to thrash the competition this year!"

2. To beat the stalks and leaves of a plant to separate the desired seeds from the leaves and stems of plants: "The weather is perfect so we will thrash the wheat this afternoon."
3. To move about or to strike violently: "When I first learned to swim, I would thrash about in the water."
thresh (THRESH) (verb)
1. To toss about: "I am so tired this morning because I am sure all I did was thresh in bed all night."
2. To separate grain from the plant on which it was grown using mechanical procedures: "The new machine in the barn will thresh the grain more quickly than doing it by hand."

During my summer work experience on the farm, I used a flail to thrash the grain; however, on the first night after a day of threshing the wheat, I was so tired that all I could do was thresh around in my sleep, trying to find a comfortable position.