On the blink

prep_phrase, slang

Definitions

Prep_phrase
  1. 1
    Usually of a mechanical or electrical device, functioning erratically, malfunctioning; not working or not working well. Australia, UK, informal

    "My toaster is on the blink, making either charcoal or cold bread."

Etymology

Presumably from an appliance with poor electrical connection blinking from intermittent connection.

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