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Nerd is a derogatory stereotype of a person typically described as socially-impaired, obsessive, or overly intellectual. They may spend inordinate amounts of time on unpopular or obscure activities, pursuits, or interests, which are generally either highly technical, or relating to topics of fiction or fantasy, to the exclusion of more mainstream activities. Other nerdy qualities include physical awkwardness, introversion, quirkiness, and unattractiveness. Thus, a nerd is often excluded from physical activity and is a social outsider. In the stereotypical high-school situation, they may be either considered loners by others, or they tend to associate with a small group of like-minded people. As with other pejoratives, nerd has been reappropriated by some as a term of pride and group identity.

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