Related:

• Mathematicians do it parallel and perpendicular.
• parallel processors running perpendicular today
• SCH: Slit Cards Horizontal
• I have no desire to prove anything by dancing. I have never used it as an outlet or a means of expressing myself.
  I just dance. I just put my feet in the air and move them around. -- Fred Astaire...
• It's he and his Dancing Teeth!
• Morris dancing is an exercise in fertility
• As a matter of fact" is an expression that precedes many an expression that isn't.
• Ringwald's Law of Household Geometry: Any horizontal surface is soon piled up.
• A horizontal surface will soon be piled up. -- Corollary to Murphy's Law