blue ice

(redirected from brown ice)
Also found in: Encyclopedia.

blue ice

A commercial aviation euphemism for sewage treated with a blue antiseptic liquid that freezes, and which may unintentionally leak out of an aircraft in midflight.
References in periodicals archive ?
She says: "The Newcastle Brown ice cream was very important to us and it took a lot of careful negotiation, but Scottish Courage was very supportive, seeing it as an interesting addition to their brand.
And they'd never dream of offering yellow, pink and brown ice cream in a cardboard carton, unless it truly did taste of the vanilla, strawberry and chocolate it purported to be.