Related:

• Fog Lamps, n.: Excessively (often obnoxiously) bright lamps mounted on the fronts of automobile
  used on dry, clear nights to indicate that the driver's brain is in a fog. See also Idiot Lights....
• Fog is an extremist.
• Orange bright, Like golden lamps in a green night. -- Andrew Marvell (1620-1678) -- Bermuda
• Fog: the air apparent.
• Onward, through the fog.
• flag n. [very common] A variable or quantity that can take on one of two value
  a bit, particularly one that is used to indicate one of two outcomes or is used to control which of two things is to be done....