n. A career going straight to the bottom. The reverse of a "Geffen".
v. A career busting work related move that distance's oneself from success.
A reference to David Geffen who rose from the mailroom to running a mega-successful entertainment company.
Remember Pete the sales manager? He's an affiliate marketer now. What a neffeg!
Man, my drunken ramble to the VP really neffeged my promotion.