What happens when you do something so utterly stupid, chibi Mikuru proceeds to screech at the top of her lungs. Nice job breaking it hero.
Originates from the mini series The Melancholy of Haruhi-chan Suzumiya. When Kyon and Itsuki try to act like hosts, their behavior drives Mikuru to repeatedly make a high-pitched squeal. Haruhi yells at the two and says that they "made Mikuru cry."
Stranger 1: "What's your favorite book?"
Stranger 2: "Twilight."
Stranger 1: "...... Look what you did. You made Mikuru cry."