demoscene /ˈdɛməʊˌsiːn/noun 1verb 1forms 3 noun1 •The informal computer art subculture that produces and watches demos (audiovisual computer programs).Demoscene is an extremely arcane subculture characterized by endlessly clashing perspectives, trends, and technological innovations. — 2005 verb1 •To take part in the demoscene.My brother has been demoscening since the 1990s. formsdemoscened · demoscening · demoscenes