Wonk
Part of speech: noun
Definition: An overly studious person, particularly student; a nerd. A policy wonk or other intellectual expert.
Dweeb
Part of speech: noun
Definition: A boring, studious, or socially inept person.1980s American slang backronym: Dim-Witted Eastern-Educated Boor; being derived from the social differences and attitudes on the West Coast vs. the East Coast, often said to describe the typical Ivy-league grads from Harvard, Yale, etc.