What is a platapoose?

A platapoose is not a widely recognized term in English, and it may refer to a specific slang, regional expression, or a fictional concept. If you meant "platypus," it is a unique egg-laying mammal native to Australia, known for its duck-bill, webbed feet, and ability to produce venom. If you have a different context in mind for "platapoose," please provide more details.