Grammar Pet Peeve of the Day: Cliché vs. Clichéd
Take note: if you think something is overused, it is a cliché or it is clichéd. Saying, "Oh, that is so cliché" is improper. Rather, you could say "Oh, that is such a cliché" or "That is so clichéd." I'm amazed at how often I see and hear this grammatical faux pas.