go out for a while... when you come back say that you won this dancing contest that you entered a while back and went to see the winners and that you're gonna be on tv!
i know a good on go outside grab some of ur parents clothes and a bucket of water
wear the clothes
dump on the water
go to ur doorstep and scream im melting!!!!
LOL Coolkid that was a really funny one.
I would make a fake death certificate and slip it under the doorstep. Total terror-if-ication-if that's a word.