JokesMarriage Little Johnny Asks The Teacher. What Follows Next Will Blow Your Mind. Little Johnny asks the teacher, “Can I be punished for something I haven’t done?” The teacher is shocked. “Of course not, Johnny! That would be very unfair!” Johnny is relieved. “That’s good to know,” he says, “because I haven’t done my homework.” See more Previous joke A Couple Are Sitting On The Couch. Next joke An Old Lady Started Learning To Swim.