1. Send all your Christmas cards, even if it's summer.
2. Buy a realistic rubber snake. Put in supermarket freezers, phone booths etc. (be imaginative). Take a camera
3. Make realistic looking legal documents on your computer. 'Sue' your friends for non payment of bills for services rendered from 'Cindy's Massage Parlour' etc.
4. Answer the front door...naked.
5. Try to hack the CIA's, FBI's and White House's computers. Leave the country.
6. Knock on people's doors and ask them stupid questions..."was your electricity bill shocking" and such like.
7. Anagram names to make phrases that have something to do with them (Alec Guinness=Genuine Class, Tom Cruise=So I'm Cuter) and so on.
8. Go to a Pavarotti concert...boo and heckle after each song.
9. Turn the sound off on your TV and make up your own words to shows.
10. Ring the zoo. Ask for MR. C. Lyons or Mr. P N Gwen (very childish....not done that since I was 27) Or, phone the police and ask for a Pizza... express delivery.