Used metaphorically for objects, indicating excessive use leading to their deterioration. We played that video game so much, we ran it into the ground.
Pro Tip 2/3
Physical Limit
Implies something has been used beyond its physical limits, not just worn out. That old printer has been ran into the ground; it won't even turn on anymore.
Pro Tip 3/3
End of Usefulness
When something is 'run into the ground', it often suggests it's no longer usable. After years of neglect, the farm equipment was run into the ground.