Top definition
verb: (internet) To revive a long dormant forum thread by adding a new post, thus bringing it to the top of the forum list. Often a tactic of trolls attempting to control a forum
"That troll keeps necrobumping old threads so everyone will be too distracted to read the new important ones."
by ravic July 17, 2005
Get the mug
Get a necrobump mug for your cat Larisa.