Top definition
A social atmosphere that may encompass many subjects including but not limited to books, video games, fantasy, horror, comics, trivia, computers, electronics, board games, cosplay, anime, science, physics. It tends to be a very laid back and welcoming environment, regardless of the diversity of the crowd.
The nerdmosphere at the local bar that boasted a vintage arcade and a variety of board games was always fun and entertaining.
by flashback June 04, 2013
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