trash-talking

or trash talk·ing

[ trash-taw-king ]

noun

1. the act of using disparaging or boastful language, especially to demoralize or intimidate opponents:

   Taunting, trash-talking, gloating, and cheap shots have become all too common in sports.

Word History and Origins

Origin of trash-talking¹

An Americanism dating back to 1985–90

Example Sentences

In Los Angeles, Jamie Lopez said her husband’s “crazy” Dodgers-supporting family has been trash-talking her for being a Yankees fan.

From Los Angeles Times

Does Reese’s embrace of trash-talking make her less of a role model? — underline the different standards facing top female athletes, particularly those of color, compared with their male counterparts.

From Los Angeles Times

Which just goes to show, the stereotypes and trash-talking run both ways.

From Los Angeles Times

Eventually, Westbrook and Washington, who got into a trash-talking situation with Terance Mann, were given technical fouls and ejected .

From Los Angeles Times

Her step-back jump shot was lethal, and her only weakness was that she couldn't get off unless she were in a trash-talking competition.

From Salon