insulting or boastful speech intended to demoralize, intimidate, or humiliate someone, especially a sporting opponent: he heard more trash talk from the Giants before the game than during the game
verb
[no object] (trash-talk)
use insulting or boastful speech for such a purpose: Westering’s players do not swear or tussle or trash-talk [with object]: people were going to trash-talk us until we started to win (as adjective trash-talking) trash-talking foreign junk-bond dealers
