necrothreadiac 

The term given to someone who constantly practices necrothreadia.

Billy is said to be a necrothreadiac when he posts on several topics from the year 1999, when the actual year is 2005.

necrothreadiac by Noopectro April 10, 2005

necrothreadia 

The term used when, on a forum, a user revives a thread that is long dead.

Necrothreadia is when the date is 10/04/05 and someone posts on a thread that is dated 24/12/99.

necrothreadia by Noopectro April 10, 2005