blue box

noun

1. an electronic device used by phone phreaks to send out signals that unlock long-distance telephone circuits.

blue box

noun

1. a blue plastic container for domestic refuse that is to be collected and recycled

Word History and Origins

Origin of blue box¹

First recorded in 1975–80

Example Sentences

The source of the irritation is a small blue box installed in a stairwell leading to the market, the latest tactic used by property owners to deter unhoused people from camping out in the area.

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The blue box joins a growing list of deterrents deployed by Southern California business owners and property managers who have taken matters into their own hands to address the homeless crisis.

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But the blue box, dubbed the BlueChirper, emits a racket that is devoid of rhythm.

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I watched as he stuck both fists in his face to remove the saliva-drenched hardware, which he then placed in a little blue box.

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“Got it,” she said as she carefully pulled down a pale blue box, its color faded with age.

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