Someone once looked at an owl and said, “Gee. Look how stoic that bird is. He looks so ancient. So wise.” And that became a thing.
Not all of our cliches come from something important or significant. Sometimes it’s easy to forget that in fiction. I know my worlds’ slang tends to be derived from gods or legends or environmental norms that, for us readers, are hugely out-of-the-ordinary. But, in the real world, it isn’t always that way.
What colloquialisms or cliches do people in your world use as a matter of course? Which of them have little to no interesting stories behind them, no mythology or richness…just average, everyday observations?