Or you may self-identify as a nerd due to your keen interest in a certain hobby or subject, like movies or grammar or whimsical parade floats. Nerd has been part of our lexicon for at least ...

It may conjure images of Family Matters' bespectacled, suspenders-clad Steve Urkel. Or the theoretical physicist Sheldon Cooper from The Big Bang Theory. Or Scooby-Doo's Velma. Or you may ...