An archetypical nerd like Professor Frink or Steve Urkel. A portmanteau of "true" and "nerd." Used to distinguish from "nerd", which has, over the past few decades, lost its bite.
The Red T-Shirt guy at Blizz-Con 2010 was a terd. He made all the other nerds at Blizz-Con look like rock stars.
November 01, 2010