Stare at static on the tv and claim you can see a "magic picture".

Select the same song on the jukebox fifty times.

Scuff your feet on a dry, shaggy carpet and seek out victims.

Do not add any inflection to the end of your sentences, producing awkward silences with the impression that you'll be saying more any moment.

Never make eye contact.

Never break eye contact.

Signal that a conversation is over by clamping your hands over your ears.

Construct elaborate "crop circles" in your front lawn.

Construct your own pretend "tricorder", and "scan" people with it, announcing the results.

Give a play-by-play account of a person's every action in a nasal Howard Cossell voice.

Holler random numbers while someone is counting.

Make appointments for the 31st of September.

Invite lots of people to other people's parties.

Send fifty copies of this list to everyone you know. -- Now!