From Wiktionary, the free dictionary
From necro- + post.
necropost (third-person singular simple present necroposts, present participle necroposting, simple past and past participle necroposted)
- (Internet, slang, transitive, intransitive) To post to a long, inactive discussion thread on a forum.
- Synonym: necro-bump
2003 January 5, Louis M. Brown, “Usenet”, in alt.tv.star-trek.enterprise[1] (Usenet):Much like your power of necroposting a thread long considered dead.
2005 February 23, Chris Hafner, “Usenet”, in alt.sports.football.pro.sea-seahawks[2] (Usenet):After being away from Usenet for a few days (apologies for the necroposting), I had some time to think about this.
2005 June 6, Richard V. Lamb, “Usenet”, in rec.arts.anime.misc[3] (Usenet):I'm a moderator at a realiiity TV forum and necroposting is tolerated there so long as it isn't a sore topic that the mods hoped people would ignore
