noun
A form of
conversational masturbation centered around niche subject matter and characterized by obscure-knowledge gamesmanship, hypothetical scenarios, and ingroup/outgroup verbal coding. Frequently results in the derailment of more balanced and inclusive group
social interactions.
verb
To engage in nerdball.
NOTE: Conversation topics qualifying for nerdball are fluid and context-dependent. They may include, but are not limited to, superheroes, science fiction and fantasy, TV shows, sports, fashion, academia, science, and politics.