Give up the ghost
Definition 1 of 2
Pro Tip 1/3Literal End
Refers to the actual end of life or function, often used for inanimate objects or humor. 
My old refrigerator finally gave up the ghost after years of repair.
Pro Tip 2/3Humorous Tone
It can add a light-hearted or humorous spin when talking about something ceasing to function. 
My phone gave up the ghost right in the middle of my call.
Pro Tip 3/3Non-living Things
More commonly used to describe machines or devices failing, not people dying. 
After the storm, my computer gave up the ghost.