Premeditated Retardation
The act of actually taking the time to come up with a retarded idea in order to either A)Amuse your friends or B)Amuse yourself. What people usually don't undersand is that "A)" will never happen because people will just think you are a retard.
Walking into the factory with just his pajamas on, the man didn't realize he had just committed Premeditated Retardation.