Examples of the joke
A small card with "If you'd like to know how to keep an idiot busy for hours, turn this card over" printed on both sides.
A riddle:
Q: How do you keep an idiot in suspense?
A: I'll tell you tomorrow![1]
A riddle:
Q: How do you keep an idiot busy?
A: Have him read this
Another example
Q: How do you keep an idiot busy for hours?
A: put them in a circular room and tell them to sit in a corner
Another example
Q: How do you keep an idiot busy? (Read the bottom)
Q: How do you keep an idiot busy? (Read the top)
