Related:

• If (Dog_bark = true) then letter:=arrived
• biff /bif/ vt. To notify someone of incoming mail.
  From the BSD utility biff(1), which was in turn named after a friendly dog who used to chase frisbees in the halls at UCB while 4....
• A dog may bark, but his legs will never grow longer.
• Beware of a man that does not talk and a dog that does not bark. Portuguese Proverb
• One dog barks at something, the rest bark at him Chinese Proverb
• The volume of the bark of a dog, times the frequency at which the dog barks, is inversely proportional to the IQ of the owner of the dog.
• Ever notice how a dog likes to bark at a drunk? And vice versa? -- Pat Buttram
• Past experience is always true, never be mislaid by present facts.
• The mailman bringeth.. The trashmen taketh away!