Wear a spider-man mask and a top hat and pull thru the McDonalds drive thru.
Sniff the nearest purple thing to you...DO IT!!! ... You know you want to.
Eat ice cream with your face.
Wear your shirt, clothes, and shoes backwards and see if anyone notices.
When someone enters your house act like its a hotel.
Give someone wrapping paper for a birthday present.
Steal all the forks from your kitchen. see if anyone notices.
Annoy your fellow siblings with a theme song you made up.
Respond to people only in a sarcastic way.
Put Plastic wrap on a sibling's door, so that when they leave the room, they will run into it!