An argument between nerds usually covering material such as programming techniques or Star Trek trivia.
Erwin stormed away in a huff after his nerdgument with Cecil over whether to use a Waterfall or an Agile software development methodology.
nerdgument: define #2
A verbal dispute involving a fantastical, scientific, and/or video game related topic.
When Timmy and Benjamin began a nerdgument on whether Weepingbell or Ivysaur were more anatomically possible, I knew I had to leave.