heads down

2 definitions found

heads down - Free On-line Dictionary of Computing (26 May 2007) :

  heads down
  
     [Sun] Concentrating, usually so heavily and for so long that
     everything outside the focus area is missed.  See also hack mode
      and larval stage, although this mode is hardly
     confined to fledgling hackers.
  
     [Jargon File]
  

heads down - Jargon File (4.4.4, 14 Aug 2003) :

  heads down
   adj.
  
     Concentrating, usually so heavily and for so long that everything
     outside the focus area is missed. See also hack mode and larval stage
     , although this mode is hardly confined to fledgling hackers.