Cliché

A cliché is an expression or idea that has become overused and has lost its original meaning and effect. Clichés are often used in everyday language and pop culture, and they come in the form of a phrase, expression, or even a gesture. For example, if someone says "It's raining cats and dogs," they are using a cliché because it's a phrase that has been used so often it has become boring and predictable.