Wear a LOT of cologne.

Ask to "interface" with someone.

Listen to 33rpm records at 45rpm speed, and claim the faster speed is necessary because of your "superior mental processing".

Sing along at the opera.

Mow your lawn with scissors.

At a golf tournament, chant "swing-batatatatatata-suhWING-batter!"

Finish all your sentences with the words "in accordance with prophesy".

Ask the waitress for an extra seat for your "imaginary friend".

Go to a poetry recital and ask why each poem doesn't rhyme.

Ask your co-workers mysterious questions, and scribble their answers in a notebook. Mutter something about "psychological profiles".

Incessantly recite annoying phrases, such as "sticky wicket isn't cricket."

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 Howa