Pull on a coworker is to press ctrl+print screen on their workstation, then paste it into Paint, save the pic, and set it as the desktop background. Move all of their icons to the trash. When they get back to their desk, clicking won't accomplish anything!
Hide all of the desktop icons on someone's computer and replace the monitor's wallpaper with a screen-shot of their desktop.
Put a "Please Use Other Door" sign on the entrance to your office building if it only has one entrance.
Change the coffee in the office coffee maker to decaf.
Write a message on an upside-down paper cup that alludes to something horrible being trapped under it. Leave it on a coworker's desk or in a conference room.
Put tape over the optical sensor of someone's mouse.
Install the Blue Screen of Death screen-saver on someone's computer.
Dave took Mary out for a romantic dinner where conversation turned to the subject of marriage. Dave had been saving for an engagement ring, but he was in graduate school and in dire need of a new computer. Mary was understanding, telling Dave they had the rest of their lives to get engaged, so he should use his savings to buy a computer instead. During dessert, Dave suddenly reached into his pocket and pulled out an engagement ring. Mary was stunned, but after she collected herself, she looked up and prompted: "Well, don't you have something to ask me?" Dave then got down on bended knee. "Honey," he said, "Will you buy me a new computer?"
Chuck Norris can infect a mac with pc viruses.
How do you tell an introverted computer scientist from an extroverted computer scientist? An extroverted computer scientist looks at your shoes when he talks to you.
An organization is like a tree full of monkeys, all on different limbs at different levels. The monkeys on top look down and see a tree full of smiling faces. The monkeys on the bottom look up and see nothing but assholes.