The story
Blend of Wikipedia + groaning. Coined by Jon Hendren in a 2007 post on Something Awful (see quotation below).
Etymology from Wiktionary, CC BY-SA 4.0.
Wikigroaning
Today it means: The act of comparing two similar Wikipedia articles, one considered generally useful and the other primarily appealing to nerdy interests, and observing that (to one's disappointment) the latter is significantly longer and more professionally written. Full definition →