From a UCLA Chicano Studies Research Center study titled Hate Speech on Commercial Talk Radio:
Types of Hate Speech
We identified four types of speech that, through negative statements, create a climate of hate and prejudice: (1) false facts [including “simple falsehoods, exaggerated statements, or decontextualized facts [that] rendered the statements misleading”], (2) flawed argumentation, (3) divisive language, and (4) dehumanizing metaphors (table 1).
What a definition! And this is their example:
Table 1. Analysis of Hate Speech from The John & Ken Show
EXAMPLE