"Going down a wikihole" is a term used to describe the phenomenon in which one opens a wiki article about something
cool, clicks on a
link to another article about something ever cooler, and eventually comes up for air 6 hours or so later after having clicked on all manner of related
cool wiki links. The word is based on "wiki" as in "
wikipedia" plus "hole" as in rabbit hole, and is inspired by the notion that wikipedia offers its own highly seductive type of single-user rabbit hole. It is similar in meaning to "wikitrail" but implies a certain loss of control at some point.