trash talkingˈtrash ˌtalking, trash-talking noun [uncountable] American English 
when a sports player or sports fan says rude or unpleasant things to or about a sports player: 
Coaches say they want to take trash talking out of high school football.
when a sports player or sports fan says rude or unpleasant things to or about a sports player: Coaches say they want to take trash talking out of high school football.