The thing Mr.Wiley slaps against his hand to imitate his students.
In algebra today Mr. Wilkey came in the class stomping his feet on the floor and slapping his Meterstick on his hand to imitate the students because they were acting up.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.