1: throw all your papers in the air.
2:break all the tips off of all your pencils. If you only have pens take the ink out. And then scream."uhhhhhh I have such a rough life!"
3: if you have separate offices call one of your Co workers phones and act like a costumer of whatever you sell.
4:throw paper airplanes with secret notes on them
5: play basketball with a crumbled up paper and a rubbish bin