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The usual response to any minor factual error in a science-fiction or fantasy related article on the internet.

A nerd swarm is characterised by multiple, repeated corrections to the error along with reactions blown out of all proportion. See also nerd rage.
Article headline: "Why Tom Baker, the sixth Doctor, had such curly hair."

Comment: Tom Baker was the FOURTH DOCTOR!

Comment: fourth Doctor Who, dumbass.

Comment: fourth

Comment: Colin Baker was the sixth Doctor

Comment: He was fourth!

Comment: which curly haired Doctor do you mean, fourth or sixth?

Comment: You stupid bastard! Fourth!!!

Comment: fourth!

Comment: By the blood of Rassilon, I swear that I will murder your entire family for this! Tom Baker was the fourth Doctor!

Comment: You made a mistake. Tom Baker was the Fourth Doctor.

Comment: Fourth Doctor

Comment: Failure! Baker was, like, the fourth.

Comment: Colin or Tom, you piece of s**t?

Comment: Fourth.

Comment: Quick! Edit your article! There's a nerd swarm forming! For the love of God, edit it now!!!
by John Superman December 10, 2013
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