JUST DO IT' (9 letters) A popular slogan is a phrase that is widely recognized and used to represent a company, product, or idea. The two crossword solutions for the term 'popular slogan' are 'CATCHPHRASE' and 'JUST DO it'. The CATCHPHRASE is an expression that is used repeatedly, often in different contexts. The most famous example of a CATCHPHRASE is 'JUST DO it', which was created by Nike and has become a widely recognized slogan for the company.