(not my ideas, but I thought they were funny and make good therapy!)
Page yourself over the intercom, and don't disguise your voice.
Every time someone asks you to do something, ask if they want fries with that.
Put Decaf in the coffee maker for three weeks. Once everyone has gotten over their caffeine addictions, switch to Espresso.
In the 'Memo Field' of all your checks, write, "For Smuggling Diamonds."
Order a diet water whenever you go out to eat -- use a serious face.
Five days in advance, tell your friends you can't attend their party because you're not in the mood.
When the money comes out of the ATM, scream "I Won! I Won!"
When leaving the zoo, start running towards the parking lot, yelling, "Run for your lives, they're loose!"