From Wiktionary, the free dictionary
From sperg + -y.
spergy (comparative more spergy, superlative most spergy)
- (slang, derogatory, offensive, sometimes reclaimed) Showing an awkward, pedantic, or obsessive nature stereotypically associated with Asperger's syndrome.
2010 October 26, df [username], “Re: Why is Linux desktop share dropping?”, in comp.os.linux.advocacy[1] (Usenet):You'll only get gnashing of teeth from the spergy nerds who can't let go of their ancient UNIX clone.
2012 May 9, prawnster [username], “Re: Evolution: assumes facts not in evidence”, in talk.origins[2] (Usenet):Nope, not following you down into your typical spergy postmodernist word salad sophistry regarding the meaning of the word "related."
2015 March 18, smr [username], “Re: Lucky Seven: Command v1.07 has been released!”, in comp.sys.ibm.pc.games.war-historical[3] (Usenet):The obliviousness of your reply is staggering, or would be, if you weren't such an obvious spergy sociopath to begin with.