Idiom meaning, usage examples, facts

1. That restaurant serves lots of different dishes, but none is outstanding or very much better than in any other restaurant. It’s run-of-the-mill.
2. Ricky was an average student who liked to play sports as much as the next boy. He was your run-of-the-mill student.

The expression run-of-the-mill originates from the idea of a product such as fabric, which was first mass-produced (the run) in a mill, enabling it to be uniform.