Use your MasterCard to pay your Visa and vice-versa.
Pop some popcorn without putting the lid on.
When someone says "Have a nice day," tell them you have other plans.
Make a list of things to do that you've already done.
Dance naked in front of your pets.
Put your toddler's clothes on backwards and send them off to pre-school as if nothing is wrong.
Fill out your tax forms using Roman Numerals.
Tape pictures of your boss on watermelons and launch them from high places.
Leaf through a "National Geographic" and draw underwear on the natives.
Tattoo "out to lunch" on your forehead.
Go shopping. Buy everything. Sweat in it. Return it the next day.
Buy a subscription of "Sleezoid Weekly" and send it to your boss's wife.
Pay your electric bill in pennies.
Drive to work in reverse.
Find out what a frog in a blender really looks like.
Tell your boss to "blow it out of your mule" and let him/her figure it out.
Sit naked on a shelled hard boiled egg.
Polish your car with ear wax.
Read the dictionary upside down and look for secret messages.
Start a nasty rumor and see if you recognize it when it comes back to you.
Braid the hairs in each nostril.
Write a short story using alphabet soup.
Stare at people through the tines of a fork and pretend they're in jail.
Make up a language and ask people for directions.
Bonus. Replace the filling of a Twinkie with ketchup and place it back in the wrapper