If you suspect someone has the power to read minds, then just play Never Gonna Give You Up in your head so they will get Rick-Rolled trying to read your thoughts.
Telling a child to sit in the corner and think about what they've done is not a punishment: all it does is give the child time to come up with a better plan for next time.
It would be awesome idea to stand around in a large circle at school chanting "FIGHT! FIGHT! FIGHT!" and in the middle of it would be a rock, paper and scissors.