He asks his dad to explain government. His dad thinks for a minute, and explains it like this:
I am Congress, your mom is the judicial system, your sister is the unemployed, you are the group too young to vote, and the maid is the working class.
So that night, little Johnny is trying to figure out what his dad meant, and got up to get a drink. On his way to the kitchen, he watched his sister sneak out of the house with her boyfriend. He grabbed his drink, and on the way back to his room, he saw his dad sneak down to the maid's room.
The next morning he tells his dad, so I think I have it figured out. His dad asks, so how do you think it works?
Little Johnny says: "The unemployed are out fucking around while Congress is screwing the working class, the judicial system is asleep, and the people too young to vote are watching it all happen..."