Has to be little Johnny!
An eight-year-old boy swaggered into a pub, sat on a barstool and said, "I'll have a large brandy and one of your finest cigars, please."
The barmaid swiftly assessed his tender years and replied, "Do you want to get me in trouble?"
The barmaid swiftly assessed his tender years and replied, "Do you want to get me in trouble?"
Spoiler: