You could roll around on the floor and with a weak sounding voice
yell, "I'm dying, I'm dying!" and just stop. Lot's of people would
think you're dead.
You could stop answering your mail and phone and stuff, people might
think you're dead.
Dress up like a zombie and tell everyone you want to eat their
brains.
Kill yourself.
Look it up on the internet. That might work. If you do and it does,
report back and tell us anything interesting you may have found.