rubber jungle

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rubber jungle

An aviation term among pilots and airline crew for the effect created when the rubber oxygen masks in a commercial aircraft deploy from its ceiling. Everyone started to panic when the rubber jungle appeared, so I had to reassure them that it was just a minor hiccup and that we were all perfectly safe.
See also: jungle, rubber
References in classic literature ?
To do its leaders justice, he admitted that this might have been partly through their hesitancy to hurt Rose who was always to be found in the thick of its sale-dinners, bazaars and sociables.