Blue Juice

Updated: 2017-11-29.

Airline/Flight Crew Jargon

“Blue juice” is airline parlance for toilet water. The water in the toilet in the restroom, presumably from the days when toilets used those disinfectant bricks in the tanks which colored the water blue; most toilets in airplane restrooms these days don’t usually have a pool of water at the bottom, but rather a small flap.

Knowing blue juice should help you understand the “Blue Room.” See this article for more airline lingo and flight jargon.

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