Walk up to a stranger and convince him/her you're an alien sent to abduct them.
Find a resident and mimic everything they say and do throughout the conversation.
Convince three people to find your lost dog if you don't have one. If you do, pick another animal.
Improvise a rap about a person of your choice.
Go outside with a sign that says "I'm a Dork".
Go to Honeybee Bakery and ask if they have a menu for the undead. The undead have to eat too, you know.