Thrash And Sons Funeral Home Obituaries. Thrash generally refers to a swift and violent movement, typi

Thrash generally refers to a swift and violent movement, typically from side to side as a form of protest or struggle. To strike or beat, especially repeatedly with a flail or stick. See ‘Meaning & use’ for definitions, usage, and quotation evidence. tr. Definition of thrash verb in Oxford Advanced Learner's Dictionary. . "You stole it. to defeat thoroughly:[~ + object] Our team was thrashed by a score of 10-0. To thrash a person or animal means to hit the person or animal hard and repeatedly: If you thrash someone, you hit them several times as a punishment. b.