I saw something similar to this a couple of months ago. One of the examples was of an idiot who was robbing a convenience store. After having the guy behind the counter fill up a bag with the money from the register, the guy demanded he also throw in a bottle of scotch. The guy behind the counter told him, "I'm afraid I can't do that. You are too young."
"I am not," said the robber, who tossed his ID on the counter for the clerk to check.
"You're right!" said the clerk, who added the scotch to the bag full of money.
By the time the robber got home, the police were at this door to arrest him.
Here's your sign........!