Fuck Off And Get Chronically, Incurably, Painfully, Progressively, Expensively, Debilitatingly Ill.
A stronger version of FOAD.
First attributed to Mike Andrews, writing in alt.sysadmin.recovery on 10 March 2002.
See Google Groups archived message.
I don't particularly want you to FOAD, myself. You'll be more of a cautionary example if you'll FO And Get Chronically, Incurably, Painfully, Progressively, Expensively, Debilitatingly Ill. So FOAGCIPPEDI.
Note: awaiting more research