UPDATE: This diagram and original post is via Great White Snark > Sed Contra. I did not create this diagram.

"To all of you nerds and geeks who–like me–have been unfairly and inaccurately labeled “dorks,” only to then exhaustively explain the differences among the three to a more-than-skeptical offender, I say: You’re welcome. This nerd/dork/geek/dweeb Venn diagram should save you a lot of time and frustration in the future."

This actually makes sense… funny.