trash talk noun
[noncount] US, informal : insulting comments that are made especially to an opponent in a contest, game, etc.
▪ He had to listen to a lot of trash talk from the other players. — see also talk trash at 1trash
▪ He had to listen to a lot of trash talk from the other players. — see also talk trash at 1trash
— trash–talk 
/ˈtræʃˌtɑ:k/ verb, trash–talks; trash–talked; trash–talk·ing
[no obj] ▪ They trash-talked throughout the game. [+ obj] ▪ He's always trash-talking the other players.
/ˈtræʃˌtɑ:k/ verb, trash–talks; trash–talked; trash–talk·ing [no obj] ▪ They trash-talked throughout the game. [+ obj] ▪ He's always trash-talking the other players.
— trash–talk·er /ˈtræʃˌtɑ:kɚ/ noun, plural trash–talk·ers [count]
/ˈtræʃˌtɑ:kɚ/ noun, plural trash–talk·ers [count]— trash–talking noun [noncount]
▪ There was a lot of trash-talking going on throughout the game.
▪ There was a lot of trash-talking going on throughout the game.
