(Internet) To make a new post to a forum discussion that has been dormant for a long time, making the thread visible in the list of active topics; to bump.
Sorry to necro a comment from three years ago, but …
(Internet, slang) To practice necromancy; to bring back from the dead.
“I killed and necroed a couple guards practically every time I went out. My boys have the south gate manned, and they'll be stepping aside any minute now.” 2018, Xavier P. Hunter, House Rules: a LitRPG novel, Magical Scrivener Press, →ISBN: