New York artist Jay Shells got tired of the rude manners of fellow New Yorkers and decided to take matters into his own hands. He created official-looking etiquette signs around Manhattan, under the guise of the "Metropolitan Etiquette Authority."
This one above is my favorite. Bravo! Link - via Laughing Squid
Good job!
Miiike, are you retarded?
I am so tired of seeing guys w/ 1 pair of pants down to their knees showing the world what color boxers they're wearing while they hobble around b/c they can't walk right.
Monkey see, monkey do. LOL