on the blink

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

Prepositional phrase

 * 1)  functioning erratically, malfunctioning; not working or not working well. Usually refers to a mechanical or electrical device.

Translations

 * German: kaputt sein, im Eimer sein, am Ende sein, im Arsch sein, hinüber sein
 * Polish: niedysponowany