V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

FOD
       Flexible Optical Disk (OD)


The Jargon File (version 4.4.7, 29 Dec 2003):

FOD
 /fod/, v.

    [Abbreviation for ?Finger of Death?, originally a spell-name from fantasy
    gaming] To terminate with extreme prejudice and with no regard for other
    people. From MUDs where the wizard command ?FOD ? results in the
    immediate and total death of , usually as punishment for obnoxious
    behavior. This usage migrated to other circumstances, such as ?I'm going to
    fod the process that is burning all the cycles.?

    In aviation, FOD means Foreign Object Damage, e.g., what happens when a jet
    engine sucks up a rock on the runway or a bird in flight. Finger of Death
    is a distressingly apt description of what this generally does to the
    engine.


The Free On-line Dictionary of Computing (30 December 2018):

FOD

   /fod/ [Abbreviation for "Finger of Death", originally a
   spell-name from fantasy gaming] To terminate with extreme
   prejudice and with no regard for other people.  From MUDs
   where the wizard command "FOD " results in the
   immediate and total death of , usually as punishment
   for obnoxious behaviour.  This usage migrated to other
   circumstances, such as "I'm going to fod the process that is
   burning all the cycles."  Compare gun.

   In aviation, FOD means Foreign Object Damage, e.g. what happens
   when a jet engine sucks up a rock on the runway or a bird in
   flight.  Finger of Death is a distressingly apt description of
   what this generally does to the engine.

   [Jargon File]