Add blank entries to a list, to make it look like it’s longer.
Adjust the tint on your TV so that all the people are green, and insist to others that you “like it that way”.
Announce when you’re going to the bathroom.
Answer every question with another question. As soon as one of you says a statement instead of a question, shout “I win!”.
Ask people to prove everything they say. (e.g. “I’m Bob, nice to meet you…” “PROVE IT!”)
Ask people what gender they are.
Ask the waitress for an extra seat for your “imaginary friend.”
Ask your co-workers mysterious questions and then scribble their answers in a notebook. Mutter something about “psychological profiles.”
At a golf tournament, chant “swing-batabatabata-suhWING-batter!”
At a restaurant, repeatedly send your food back for changes and after awhile insist that, “This isn’t what I ordered!”
Before exiting the elevator, push all the buttons.
Begin all your sentences with “Ohh la la!”
Block the entrances of elevators, buses, and subways.
Buy it, wear it, return it.
Buy large quantities of mint dental floss just to lick the flavor off.
Call every girl you know “dude”.