Check this site out
Some of them are quite funny..
Pretend to be a car - Make appropriate revving noises in your head as you walk along and add a racing commentary as you pass strangers in the street. Use blinking eyes as indicators for extra authenticity.
Carry a briefcase with you and offer people phony legal advice
Show school pride, for a school other than your own
Try a sample of every flavor at baskiní robins but donít buy anything
Try to make reservations at McDonalds