The act of adding a comment to an old and inactive post on anything like Facebook or a forum site. Often causes hordes of people to resume commenting on the post, usually completely off topic from what the post was originally about.
Marco might have posted that picture of himself snowboarding in 2009, but through post resurrection I caused his entire chemistry class to begin a discussion of the upcoming quiz in the comments.
by Interrobanging January 16, 2013