toxic
negative
the one-line answer
Harmful, negative, or unpleasant behavior in online or real-world contexts.
Toxic means the behavior or person poisons the environment. They make things worse. In gaming it means players who insult teammates. In relationships it means behavior that damages the other person.
mainstream
Your coworker might use this word.
01 / in the wild
hear it move.
gaming
that player was so toxic. reported him.
That player was verbally abusive and I reported them.