Definition from Wiktionary, the free dictionary
The 1980s backronym Dim-Witted Eastern-Educated Boor derives from apparent social and attitudinal differences between West Coast and East Coast US, and describes a stereotypical Ivy-league graduate from Harvard, Yale, etc.
dweeb (plural dweebs)
- See also Wikisaurus:dork
- Sometimes used alongside nerd and geek, however dweeb does not carry the same connotations of intelligence.
- No way, man, the biggest dweeb of them all with . . . Marilyn! - Edmund White, "My Women" 
- There never is a Keanu but a dweeb looking at me - "If You Can't Dance", by the Spice Girls
- I may be dumb, but I'm not a dweeb. - "Self-Esteem", by The Offspring.