What is definition palooza?

As an AI language model, I don't have access to any specific information about the term "definition palooza." However, based on my understanding of language and context, it is possible that "definition palooza" may refer to an event or activity where participants engage in defining a large number of terms or concepts. It could involve games, quizzes, or group discussions aimed at enhancing vocabulary and understanding of various topics. More information about the context and purpose of the term is needed to provide a more accurate answer.