From Longman Dictionary of Contemporary Englishtalk trashtalk trashAmerican English informal to say rude or offensive things to or about someone, especially to opponents in a sports competition Both teams were talking trash on the court. → talk
Examples from the Corpus
talk trash• Emotions ran high throughout the game, with players fouling hard and talking trash.• Both teams talk trash on the basketball court.• Miller lets them talk trash on the court. 