It was my idea, I guess, in the first place. "Let's put a hate note in someone's locker," I said to Julie, half as a joke. We were wait­ing for bio­logy class to begin. She smiled and raised her eye­brows. "An­other one of your great ideas, Karen? Whose locker do you sug­gest we put it in?"

locker -  is a small, lock­able stor­age com­part­ment often found in schools.

to raise one's eye­brows - to show a suprised ex­pres­sion.