Okay, I;m not saying あなた should ACTUALLY do this, but if u want to, u can, and put in the コメント which ones you're going to try out.
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1. When you're getting a drink of water at the water fountain, and he passes by, get a handfull of water and throw it at the crotch of his pants, and then yell, "HE PEED HIS PANTS!"

2. Run underwear up a flagpoll, solute, and when your princible scolds you, say, "You're just saying that cuz あなた hate America."

3. When あなた go to the princible's office, and when he asks why あなた were sent, say, "I wrote that あなた sucked in the girl's bathroom."

4. When あなた two meet in the hallway, say a curse word, and when he yells at you, say, "YOU'VE ALWAYS BEEN THIS WAY EVER SINCE THE 日 I 発言しました NO WHEN あなた ASKED ME TO MARRY YOU!!!!"

5. (This one is for boys only) When you're in the hallway, and あなた see your princible, yell in front of everyone, "MY SISTER IS PREGNANT WITH MY BABY!!!!!! Oops, that didn't come out right..."
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So there あなた have it, only 5 ways, but thats all I can think of, so, bye!