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1. Treat, mention, or speak to rudely
   "the student who had betrayed his classmate was dissed by everyone";
   - insult, affront, dis [informal]
    
2. Criticize harshly
   - harsh on [N. Amer, informal], dis [informal], harsh [N. Amer, informal]

Derived forms: dissing

Type of: bruise, criticise [Brit], criticize, damn [informal], hurt, injure, knock [informal], offend, pick apart, spite, wound

Encyclopedia: Diss, Norfolk