Hide all of the desktop icons on someone's computer and replace the monitor's wallpaper with a screen-shot of their desktop.
945
0
Find a sleeping person, fill their hand with shaving cream and then tickle their nose.
830
0
Hide an alarm clock in someone's bedroom and set it for 3:00 a.m.
830
0
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.
1539
1
Paint a bar of soap completely with clear nail polish so it won't suds up.
