The term 'Shaggy Dos' refers to a type of hairstyle, which is characterized by long, unkempt hair. The crossword solutions for this term are MOPS (4 letters) and MANES (5 letters). MOPS is an acronym for 'Mop-Top Shaggy Dos', which is a variation of the hairstyle that features a mop-like top. MANES is a reference to the mane of a lion, which is often used to describe the long, wild hair associated with the Shaggy Dos look.