A sassy hairdo is a hairstyle that is bold and edgy. It often involves a lot of volume, texture, and layers. The term 'sassy hairdo' can be used to describe any hairstyle that is daring and stylish. In this crossword, the solution for the term 'SASSY HAIRDO' was 'BOB', which is a classic short hairstyle that has been popular since the 1920s. The BOB is characterized by its chin-length cut and blunt bangs, and it can be styled in a variety of ways to create a sassy look.