necrofist 

necrofist (nek-ruh-fist) noun
The act of killing someone through fist-fucking.
necrofisting verb
To describe in present tense the act of necrofist.

Although he orgasmed better than he ever had, Ned had not meant to necrofist the poor girl, especially now that he had to do something with her pale corpulent body.

necrofist by Tharmas Erthona September 9, 2007

necropost 

to post in a thread that has been "dead", by being inactive for a relatively long period.

to post in a thread from 2002

necropost by Eyeblood February 23, 2004

Necrostitute 

A lady of the evening who specializes in kindly treating gentlemen that are currently deceased.

Gary: "Hey Larry, how much did you pay the necrostitute last night?"

Larry: "..."

Necrostitute by ObamaWasGreat April 14, 2017

Necroposting

Posting to something on the internet for the first time in quite a few months or years. Usually n00bs do this, but sometimes a pro will do it to make people laugh.

This definition is a necropost.

Date: June 01, 1995
Comment: *long post about how computers will fit in your hand in 50 years*

Date: Feb 17, 2010
Comment: tl;dr
Sent from my iPhone

Date: December 31, 2011
Comment: Stupid necroposting Applen00b
Sent from Internet Explorer

Date: January 01, 2012
Comment: Stupid hypocritic necroposting Windowsn00b
Sent with my Ubuntu laptop

Date: March 10, 2098
Comment: I'm glad they banned proprietary software
Sent from my Debian smartglasses

Date: May 02, 2317
Comment: Look what I found in the archives! this is so funny loool
Sent from a Borg implant in my brain

Date: January 01, 10000
Comment: Hi, I'm the Doctor!
Sent from my TARDIS

Date: January 01, 1500
Comment: im a hacker

Necroposting by Hex Luther June 2, 2015

necrofibulation 

Shagging a recently dead body while trying to revive it with a defibulator.

Thank God I don't have any!!!

necrofibulation by Jody Winterbottom December 1, 2003

necrolust 

n. Find the dead attractive. More for the sake of sexual intercourse.

His NECROLUST rage as he past the graveyard.

necrolust by bob TEh BuILdorZ May 15, 2008

necrodestination 

The place your body ends up after you're dead. Also may be where your soul or spirit ends up after you die.

His necrodestination was the town's cemetery.

necrodestination by Distazo December 28, 2006