"Warning: May contain small parts." -- On a frisbee.
"Do not use orally." -- On a toilet bowl cleaning brush.
"Do not look into laser with remaining eye." -- On a laser pointer.
"For indoor or outdoor use only." -- On a string of Christmas lights... (Im sorry... Is there another option Im not aware of)
"Warning: do not use if you have prostate problems." -- On a box of Midol PMS relief tablets.
"May be harmful if swallowed." -- On a shipment of hammers.
"Do not eat if seal is missing." -- On said seal.
"These rows reserved for parents with children." -- A sign in a church. (not for parents without children)
"You could be a winner! No purchase necessary. Details inside." -- On a bag of Fritos.
Or "do not use as toothpaste" My son was over for the weekend, grabbed IcyHot out of the medicine cabinet instead of toothpaste. Hysterical for the entire family, well, except him.....
My dad has told me a story many times of when his dad went to go brush his teeth. And grabbed the tube of Preperation H.