. Share definition Flag This is a period, this is commonly used to end sentences. Fun fact: Its also the letter "E" in Morse Code. Person 1: "." Person 2"."Person 1: "How do you end a sentence?" Person 2: "With a period." . by Withered Rose April 10, 2022 0 0 Get merch Get the . mug. Buy Now — $32.95 See more merch