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.
1446
1
Hide all of the desktop icons on someone's computer and replace the monitor's wallpaper with a screen-shot of their desktop.
874
0
Paint a bar of soap completely with clear nail polish so it won't suds up.
739
1
I just recently discovered that there is a national holiday named after Atheism. April FOOLS day. Like this story in the name of Jesus.
1961
0
Change the coffee in the office coffee maker to decaf.