1) To delete oneself from social networking sites over mis-communication or dissolution with online peers.
2) An act of emo to garner attention from peers that includes eRazorblades.
3) Most serious definition, where one commits an act of real world suicide in front of a live webcam audience.
"Nobody loves me on the internets. Unless I get an eHug right now I'm going to go eOff myself by committing Interneticide."
"Hey everyone, I just took ten uppers, ten downers, a few pain pills, a Viagra, and thirty Tylenol PM's. I'll be dead in about half an hour. You have that amount of time to call convince me life is worth living."