The practical joke

 The little paper dixie cups full of water were everywhere in the office. In every corner, covering the desk, under the desk, on the chair, surrounding the wastepaper basket, on the shelves, everywhere. The only place there weren't any was a space to allow for the office door to close.

This was a practical joke set out by the office's occupant by his workmates. When he arrived from his weeklong vacation he was forced to take each soggy cup one at a time and place it in a bucket. By the time he was done the floor, the desk and his cloths were as soggy as the cups. He was not a happy camper. However, his workmates were more than happy with their efforts.

The end.