Put a "Please Use Other Door" sign on the entrance to your office building if it only has one entrance.
 1040
1  

Fill someone's hair-dryer with baby powder.
 497
1  

Find a sleeping person, fill their hand with shaving cream and then tickle their nose.
 539
0  

April doesn't fool Chuck Norris, Chuck Norris fools April.
 555
0  

Change the coffee in the office coffee maker to decaf.
 1024
1