buried treasure

buried treasure n.  A surprising piece of code found in some
   program.  While usually not wrong, it tends to vary from
   {crufty} to {bletcherous}, and has lain undiscovered only
   because it was functionally correct, however horrible it is.  Used
   sarcastically, because what is found is anything *but*
   treasure.  Buried treasure almost always needs to be dug up and
   removed.  "I just found that the scheduler sorts its queue using
   {bubble sort}!  Buried treasure!"