What is catch these hands?

"Catch these hands" is a slang term that originated in African American Vernacular English (AAVE) and has been adopted into mainstream language. It is typically used to challenge someone to a physical fight or to assert that someone will be defeated in a confrontation. The phrase implies that the person speaking is confident in their ability to win a physical fight or altercation. It is often used in a playful or humorous context, but can also be considered aggressive or confrontational depending on the tone and context in which it is used.