The appreciation and study of all things cool. Created by accident by the Prophet Barney (Cool Be Unto Him), His disciples from the One Kay and the House of Moba Lee followed in His footsteps, perfecting to art of cool under His supervision. At the end of the first semester that Barney (Cool Be Unto Him) and his followers were together, He looked back at the work they had accomplished. And He said, 'That shit be cray'.
The study of yapping. Someone who says a lot but doesn't say anything meaningful nor impactful. Someone who studies or practices Yapology is an expect level at yapping.
"He's so good at saying a lot, but everything he says isn't meaningful, he must have majored in Yapology."