Multiple choice general knowledge What is the expansion ( Full Form ) of ADIDAS All Day I Dream About Sports ADIDAS comes from the first 3 letters of the first and last names of the founder Adi Dassler. All Day I Dreams A Sports None Reveal answer Fill a bubble to check yourself B Correct answer Explanation The brand name ADIDAS is not an acronym for a sports phrase. Instead, it is a portmanteau derived from the name of its founder, Adolf Adi Dassler, combining his nickname Adi and the first syllable of his last name Dassler.