Change the coffee in the office coffee maker to decaf.
1459
1
Hide an alarm clock in someone's bedroom and set it for 3:00 a.m.
809
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.
1493
1
Paint a bar of soap completely with clear nail polish so it won't suds up.
764
1
Place a pair of pants and shoes inside the only toilet stall in a rest room to make it appear someone is using it all day.
