Anyway, these are from Children's Miscellany but I don't have the book so there's only a couple from memory:
Every time someone tries to speak interrupt them by saying "I AM Spiderman!"
Repeat everything someone else says adding the words 'echo' and 'echo'
Follow someone while humming the tune to Mission Impossible
Sleeping in the class room was not permitted, so I learned how to sleep with my eyes open. Snoring in the class room was not permitted, so I clogged tissues down my nostrils. ( True story) When I awoke I could hardly breathe, and my eyes were sore. So that wasnt worth it. The next day I was at it again.
My friend told a few when we walked home from school today. Its a little sexist, so you may not want to read it or say it in front of other people. I laughed but it was sooo wrong... Want to hear a joke?