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.
1559
1
Hide all of the desktop icons on someone's computer and replace the monitor's wallpaper with a screen-shot of their desktop.
967
0
Change the coffee in the office coffee maker to decaf.
1528
1
Find a sleeping person, fill their hand with shaving cream and then tickle their nose.
846
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.