From dork +‎ -ery.

dorkery (uncountable)

1. (informal) Dorky behavior. [from 1990s]
   • 1998 February 12, carrot, “Are we going to have to list the 10 Commandments?”, in ‎^[1] (Usenet), archived from the original on 18 January 2025:

     > […] I've slipped
     > back into my dork mode instead of labeling my publications "self-parodies".
     > iq.net might not like dorkery either.