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A group of words that are used to tell someone that something is low on battery. This includes, but is not limited to:
Cell phones, game controllers, wireless keyboards, IPods, IPhones, pagers and handheld gaming systems.
Usually used with "running on" in front of it.
While texting his girlfriend, Jack realized that battery saver was activated. He warned his girlfriend that he may go AWOL for around an hour since his phone was running on piss and moonshine.
by IAmRonPaul October 18, 2013