ABSTRACT: Arrogance has widespread negative consequences for epistemic practices. Arrogant people tend to intimidate and humiliate other agents, and to ignore or dismiss their views. They have a propensity to mansplain. They are also angry. In this paper I explain why anger is a common manifestation of arrogance in order to understand the effects of arrogance on debate. I argue that superbia (which is the kind of arrogance that is my concern here) is a vice of superiority characterised by an overwhelming desire to diminish other people in order to excel and by a tendency to arrogate special entitlements for oneself, including the privilege of not having to justify one’s claims.