In the past, the terms ‘geek’ and ‘nerd’ had negative social connotations, but so-called ‘Geek’ subculture is becoming increasingly mainstream, and its social and economic influence is expanding. There has been very little psychological research into this subculture and its associated personality types, but some authors have reported links with narcissism, extraversion, openness to experience, depression and subjective wellbeing. In a sample of 425 self-identified geeks/nerds registered with the Facebook community Geek Asylum and the Facebook page of the Manchester 2019 Comic-Con, we explored the factor structure of the Nerdy Personality Attributes Scale. Using exploratory factor analysis, we find that the scale items load onto three factors - ‘Social awkwardness’, ‘Interest in learning and science’ and ‘Interest in books’, with all correlating weakly to moderately with self-reported nerdiness. This scale may form a useful starting point to further assess the personality and behavioural characteristics of nerdiness.