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Get a job and act like you're really happy with it.

It bothers people when that happens to someone else.

Have a man and a woman pretend they're dating a be in a public place: restaurant, busy street, bus stop, etc. Have the man propose to the woman but instead she says no, starts crying and runs away. The man starts crying also and the man has to cuddle with a stranger for sympathy

Take off all your clothes and run around the police station 10 time playing a trumpet at 3 in the morning.

Find an old payphone. Call the number on it and see who answers. David Letterman used to do it. He used three payphones at a time and it was a contest between Paul Shaffer, Rupert the deli owner and Letterman. Whoever got an answer first won the challenge. It was called "Payphone Trifecta."

Get an empty spray bottle of Windex and leave the label on. (make sure it's super clean, no left over chemicals!)

Fill it with blue Gatorade and spray it in your mouth and drink it. ^_^

public argument, public peeing (water bottle), acting like you own a store ( IM NOT PAYING YOU TO SIT AROUND), umm asking people for their cell phones and walking away with them, public falling, etc.

Knock on people's doors and try to convert them to pastafarianism.

throw chickens at david cameron