Install the Blue Screen of Death screen-saver on someone's computer.
 722
3  

Change the coffee in the office coffee maker to decaf.
 1270
1  

April doesn't fool Chuck Norris, Chuck Norris fools April.
 743
0  

I just recently discovered that there is a national holiday named after Atheism. April FOOLS day. Like this story in the name of Jesus.
 1811
0  

Take a squirt gun into the rest room stall next to someone and shoot little drops over the wall every couple of seconds while pretending to pee.
 662
0