Top definition
A topic on an internet message board with a large number of pages and posts (usually considered anything over 10,000 posts). Superthreads can vary from being focused around a certain topic, to being a thread where people will talk about whatever they deem worthy at the time.
Dude, did you see that superthread where that guy posted a screenshot of his desktop with the shemale video folder on it?
by Missing Person June 17, 2008
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