Thread Necromancer Share definition Flag One who resurrects extremely old threads in discussion forums. Dood. You just replied to a thread that's 2 years old. WTF is wrong with you!? Quit being a Thread Necromancer. Thread Necromancer by ThaBigCheesy November 10, 2010 0 0 Get merch Get the Thread Necromancer mug. Buy Now — $32.95 See more merch