1. Look right between someone's eyes when talking to them.
  2. When someone makes a sexist/racist joke, stare them straight in the eyes and continue asking them questions, pretending you don't understand the joke.
  3. Ask someone at work if they ever get a creepy deja vu feeling. A week later, do it again.
  4. When meeting someone for the first time, start with "It's so nice to see you again!" And then quickly change the subject.
  5. Look over people's shoulders when they are putting in their phone password. Pretend you have a call, and loudly say something with the number in it. For example, if the number was 8614, say: "Yes, it's 8614 west Main Street. See ya there!"
  6. Rotate a friend's tv or other large item a little to the left every time you visit.
  7. Say "no pun intended" occasionally after you have said something completely normal, that isn't really a pun.
  8. Whisper-sing the batman theme (an na na na na na) over and over but never say the batman part.
  9. Repeat the last two words of their sentence.
  10. Ask for 50 pennies in exchange for two quarters. Pick your victim, and over a long span of time out pennies in their items. Coat pockets, notebooks, etc. work best.
  11. Change the sensitivity a little bit on someone's computer, then after a week or two change it back to how it used to be.