trash talk

n.

说脏话，说别人的坏话；

Trash Talk
Trash talk
Trash talk
The dark side of brand community: Inter-group stereotyping, trash talk, and schadenfreude
‘Trash-talk’ and the production of quotidian geopolitical boundaries in the USA–Mexico borderlands
Trash talk rebuffed: consumers' defense of companies criticized in online communities
Who Listens to Trash Talk?: Education and Public Media Effects on Recycling Behavior
Trash talking, respect for opponents and good competition
Normative rules for trash talk among college athletes: an exploratory study.
Trash Talk in a Competitive Setting: Impact on Self-Efficacy, Affect, and Performance
Trash talk in a competitive setting: Impact on self-efficacy and affect
Sport's officials' reports of hearing trash talk and their responses to trash talk.
Trash Talk by Fat: Chemerin as a Reactive Oxygen Species Provocateur in the Vasculature