Much like post whoring, but usually much more comedic and with more of a purpose (I know it's an oxymoron). Created in the AnandTech forums (likely in ATOT).
(to a nef that isn't funny):
Stop posting/BAN!/DIAF, you worthless nef.
A somewhat exclamatoryremark used when expressing attraction to a picture of an attractive person; usually not directed at the attractive person, but is more commonly used as a comment to a friend when one is seen.
Created in the Anandtech forums, it was a member who posted useless crap to increase his post count. Hence, the term eventually branched out in to other forums and became a popular term among forum goers. Lifers are usually a harmless bunch, not as vicious as trolls. All they care about is the postcount..
To be made a fool of; To make a fool of; To confound or prove wrong; embarrasing someone
also Total and undeniable dominance of a person, group of people or situation as to make them/it akin to ones bitch.
Dude! you just got Neffed up the A! or
You were really neffed when you walked in on your girlfriend cheating on you.