A teen girl opens her locker at school and lots of ping pong balls fall out. AA: ping pong prank.
A teen girl wraps her legs around another girl's waist in a locker room and they hit their heads together hard.
A girl hides in a locker and scares her mom when she opens the door. her mom jumps back and falls over a locker-room bench indoors.
A teen girl opens a locker at school and screams and falls over backwards when someone inside jumps out at her. Scare. Practical joke.