What Would Popper Say About Manesis?

Girardian tribe that thinks manesis is the basis of a lot of things would like to see Gerard's memetic Theory from poppers angle learn about this tribe. Popper: "I do not regard philosophy as an attempt to clarify analyze or define concepts" Anik has asked but isn't defining concepts necessary for better explanations? We can have a very good explanation of particle physics without ever requiring that you define what an electron is.