when you're home alone & someone knocks on your door: say "who is it?" look through the peep hole open the door crawl around on the ground like a ninja and look through the window very quitely to make sure it isn't a masked murder
Every word problem back in elementary school. I've also had derpy teachers who have accidentally made impossible word problems. so we would freak out thinking we didn't study enough to find out our teacher apparently needs to go back to school.