Find a sleeping person, fill their hand with shaving cream and then tickle their nose.

 763

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.

 725

0  

Put a "Please Use Other Door" sign on the entrance to your office building if it only has one entrance.

 1409

1  

Remove the shower head and place a chicken bouillon cube in it, then put the head back on.

 662

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.

 704

1