Related:

• That that is, is. -- Oxymoro
• Every time you try to operate one of these weird black controls that are labeled in black on a black background, a little black light lights up black to let you know you've done it.
  -- The Restaurant at the End of the Universe...
• How many big black monoliths -- does it take to change a light bulb?
  Sorry, light bulbs are an evolutionary dead end....
• Grey! Did I hear you say grey?" "Light black. From pole to pole.
• How many Goths -- does it take to change a light bulb?
  None. They prefer everything all black anyway....
• How many undertakers -- does it take to change a light bulb?
  None. They just paint them black and go on using them....
• Advanced BASIC -- Oxymoro
• Airline food -- Oxymoro
• A lighter Dark Beer is an oxymoron.