AnimalsJokes Johnny's Dog Ate His Homework. This Will Make You Go ROFL. 4.8k Views “Johnny, where’s your homework”? Miss Martin said sternly to the little boy while holding out her hand. “My dog ate it”, was his solemn response. “Johnny, I’ve been a teacher for eighteen years. Do you really expect me to believe that”? “It’s true, Miss Martin, I swear”, insisted Johnny. “I had to force him, but he ate it”! See more Previous joke Little Johnny Was Graduate From High School. Next joke An Old Cat At The Door.