Straight from the ETSY forums, the G-Rated version (appropriate for ages 7 and under) (guaranteed to make the 5-7 set laugh hysterically but the 3 year olds just don't get it yet)
be secretive
get a hobby...even if it is collecting erasers
Wear an eyecatching hat
throw your tv away
wear your hair really big
say goodbye in different languages
read
dress mysteriously
wear a cape
learn magic tricks
get a weird tattoo or piercing
say "good morning all" day long
wear one color only. (Bonus if it's not black.)
learn to tap dance
be passionate about something
wear funny pants. every day
read books about the economy
travel
wear clown shoes
become a good cook
wear mismatched plaid pants and shirt
sing in another language while at the Post Office
call Everyone "Cap'n"
carry bacon in your pocket
be a good listener
try new foods
do random mime things on the street
sell everything you own and move to another country...a faraway one
carry around a frog
sit down cross-legged in the elevator
learn sign language
teach your dog to talk
pull your underwear up to your chest
get a pet monkey
carry a sock puppet with you wherever you go and speak entirely through it
wear a fake mustache
dye your hair pink
learn to play the banjo
drive a car painted like a holstein cow
wear your underwear on the outside of your clothes
finish every sentence with the phrase "the end"
sing everything you say
carry a puppy, people will flock to you
find a new and bizarre word every day to add to your vocabulary
exaggerate
mutter to yourself then laugh
skip everywhere
wear a top hat
tell everyone you are working on a novel (and have it be true)
wear a t-shirt with a picture of yourself
buy lots of art
wear glittery pants
Etsy...the place for very good lists.