The term 'Puzzling Poser' is used to describe a type of enigma, which is a type of puzzle or riddle that requires a person to think logically in order to solve it. Enigmas are often used as a form of entertainment, and they can range from simple word puzzles to complex mathematical problems. The term 'Puzzling Poser' is often used to describe a particularly difficult enigma that requires a great deal of thought and effort to solve.