trash talk

"Trash talk" is a slang term that refers to the act of making disrespectful, derogatory, or inflammatory comments about someone or something, usually in a competitive or confrontational context. It involves engaging in verbal attacks or insults, sometimes with the intention of undermining an opponent's confidence or provoking a reaction. Trash talk is commonly seen in sports, gaming, and other competitive situations where opponents use it as a psychological tactic or a means to assert dominance.