Put a "Please Use Other Door" sign on the entrance to your office building if it only has one entrance.

 1536

1  

Find a sleeping person, fill their hand with shaving cream and then tickle their nose.

 832

0  

Install the Blue Screen of Death screen-saver on someone's computer.

 868

3  

April doesn't fool Chuck Norris, Chuck Norris fools April.

 890

0  

Change the coffee in the office coffee maker to decaf.

 1506

1