Page yourself over the intercom. Don't disguise your voice.
Put your garbage can on your desk and label it 'IN'.
Find out where your boss shops and buy exactly the same outfits. Always wear them one day after your boss does.
Put decaf in the coffee maker for three weeks. Once everyone has gotten over their caffeine addictions, switch to espresso. Repeat.
Send e-mail to the rest of the company to tell them what you're doing. For example: 'If anyone needs me, I'll be in the bathroom'.
While sitting at your desk, soak your fingers in Palmolive.
Put mosquito netting around your cubicle.
Insist that your e-mail address be: xena_goddess_of_fire@companyname.com or I'm_the_man@companyname.com
Every time someone asks you to do something, ask if they want fries with that.
Encourage your colleagues to join you in a little synchronized chair dancing.
Determine how many cups of coffee is 'too many'. Enforce.
Develop an unnatural fear of staplers.
For a relaxing break, get away from it all in the fish tank with a mask and snorkel. If no one notices, ditch the snorkel and see how many fish you can catch in your mouth.
Send e-mail messages that advertise free pizza, doughnuts, etc., in the break room. When people complain that there was nothing there, lean back, rub your stomach, and say, "You've got to be faster than that."
When driving colleagues around, insist on keeping your car's windshield wipers running during all weather conditions to keep 'em tuned up.
Reply to everything someone says with, "That's what you think."
Practice making fax and modem noises.
Keep strange insects in a jar on your desk in a conspicuous place.
Highlight irrelevant information in scientific papers, then cc them to your boss.
Finish all your sentences with "in accordance with the prophecy."
Adjust the tint on your monitor so that the brightness level lights up the entire working area. Insist to others that you like it that way.
Dont use any punctuation
As often as possible, skip rather than walk.
Ask people what gender they are.
While making presentations, occasionally bob your head like a parakeet.
Wink rapidly in no particular direction.
At lunch time, sit in your parked car and point a hair dryer at passing cars to see if they slow down.
Specify that your drive through order is 'to go'.
Stomp on plastic ketchup packets.
Holler random numbers while someone is counting.
Honk and wave at strangers.
Decline to be seated at a restaurant, then eat the complimentary mints by the cash register.
TYPE ONLY IN UPPERCASE or type only in lowercase.
"What?" "Never mind." "It's gone now."
Sing along at the opera.
Go to a poetry recital and ask why the poems don't rhyme.
Five days in advance, tell your friends that you can't attend their party because you're not in the mood.
And the final way to annoy people while keeping your own sanity:
E-mail this to everyone in your address book, even if they sent it to you or have asked you not to send them stuff like this.