To damage or destroy something deliberately. The vandals trashed the abandoned building over the weekend.
To criticize someone or something harshly. The critics trashed the new movie, calling it a complete failure.
To discard or throw away something as worthless. He decided to trash all the old magazines cluttering his room.
To defeat an opponent overwhelmingly; to beat soundly. Our team trashed the visitors 5–0 in the championship game.