Related:

• up: adj. 1. Working, in order. "The down escalator is up.
  Oppose {down}. 2. `bring up': vt. To create a working version and start it....
• down 1. adj. Not operating. "The up escalator is down" is considered a humorous thing to say (unless of course you were expecting to use it)
  and "The elevator is down" always means "The elevator isn't working" and never refers to what floor the elevator is on....
• down: 1. adj. Not operating. "The up escalator is down" is considered a humorous thing to say
  and "The elevator is down" always means "The elevator isn't working" and never refers to what floor the elevator is on....
• Greepers: people who walk up the down escalator to appear motionless.
• Back Up, Not Down.
• Chown up. Chow down.
• CONDUCTORS wave it up and dow
• Down with government, up with anarchy!
• Up with skirts! Down with zippers!