Saying “Period” At the End of a Sentence By EvilJune 5, 2014February 25, 2020Popular Expression Saying “Period” At the End of a Sentence = this is the end of the discussion. We are no longer going to talk about it. Nothing will change my mind. Ex: American football is the best sport in the world. “Period!” Ex: You’re not wearing that dress to school. “Period!” BACK to Popular Expressions