Nerdo vs. Nerd — What's the Difference?

(slang) A nerd (socially inept person).

A nerd is a person seen as overly intellectual, obsessive, introverted or lacking social skills. Such a person may spend inordinate amounts of time on unpopular, little known, or non-mainstream activities, which are generally either highly technical, abstract, or relating to topics of science fiction or fantasy, to the exclusion of more mainstream activities.

A foolish or contemptible person who lacks social skills or is boringly studious

A foolish, inept, or unattractive person.

A person who is single-minded or accomplished in scientific or technical pursuits but is felt to be socially inept.

A person who is intellectual but generally introverted.

One who has an intense, obsessive interest in something.

A member of a subculture revolving around intellectualism, video games, fantasy and science fiction, comic books and assorted media. from 1980s

An insignificant student who is ridiculed as being affected or studying excessively