From necro- + post.
necropost (third-person singular simple present necroposts, present participle necroposting, simple past and past participle necroposted)
- (Internet) 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 (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 (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 (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