1. Wear a top hat.
  2. Throw popcorn in the air and yell, "It's snowing!"
  3. Go, "Oooooh..." and applaude whenever anyone kisses.
  4. Clap when someone gets killed.
  5. Starting wheezing and ask the person next to you if you can have some Jucy Fruits for you asthma.
  6. During the previews, yell, "Can you fast-forward it?"
  7. Whenever the bad guy is doing something devoius, say, "Watch out!"
  8. Laugh very loudly at all the corny jokes.
  9. Tell the man selling popcorn that the girls bathroom is flooding.
  10. Yell out what is going to happen
  11. Tell the man next to you that you have diarrhea and wink while smiling.
  12. Wear a cape and when its your turn to get popcorn, yell,"I'm Batman! Hahaha!" and run away.
  13. Yell, "Fire!" and moon the people coming through the exit.
  14. Say that they cannot sit next to you because your invisible friend already is.
  15. Yell outloud, "Stop molesting me!"
  16. Dress up and pretend you work there.
  17. Bring an inflatable love doll, buy it a ticket, give it popcorn, have sex with it, ect.
  18. Pass out in the aisle.
  19. "Accidentally" spill your drink on the floor and after the movie, listen for the squeak of sticky shoes.
  20. During a fight/car chase/etc. add your own sound effects.
  21. At the snack counter, ask if they have any of an item not displayed. Once they get annoyed and tell you that what you see is what they have, ask if they have extra large, or extra small drink sizes. Then ask if the straws/napkins cost extra etc..
  22. Whenever someone gets killed or injured, yell out "OOOOHH! That musta hurt...".
  23. At a comedic scene, laugh very loud in your most annoying way.
  24. When sitting next to a stranger, randomly ask them if they'd like some popcorn as if you know them well.
  25. When sitting next to a stranger, randomly try to strike up a conversation with them.
  26. When the theater is almost full, inconspicuously flick a gummi bear etc. behind you - it's bound to hit someone.
  27. Two words. Refried Beans.
  28. Bring a light jacket with you, and every 10 or 15 minutes throughout the movie, rearrange where you place it (back of the seat, on your lap, wearing it). Occasionally ask the person in front of you if they'll let you put it on the back of their seat.
  29. Constantly look around - trying to "figure out" where the projector is.
  30. Break into a sudden coughing fit and after several moments, take a drink and sit back like nothing happened.