The word "nerd" is used to describe someone who is extremely passionate and knowledgeable about academic or technical subjects, often seen as socially awkward or obsessed with their interests. Full definition
It fits in with the theme of nerd rage in the news items, as well as some new games coming out. (gamingpodcast.net)
In reality though, this is a set of scales for the fitness nerd who loves to know precisely how healthy they are. (idealhome.co.uk)
There are few tangible pieces and they are not always seen as «commercial», but when one does come onto the market the art nerd in me gets very excited. (mercercontemporary.com)