AD Spiel is a term used to describe a promotional speech or presentation. It is composed of two words, 'HYPE' and 'PATTER'. HYPE is an informal term for exaggerated or extravagant claims made to promote a product or service. PATTER is a type of speech that is rapid and rhythmic, often used in sales pitches or advertising. Together, these two words form the term AD Spiel, which is used to describe a promotional speech or presentation that is full of exaggerated claims and rhythmic language.