v. 1a. To clean and prepare for use or wear; launder. Ann asked her mother to do up her dress. 1b. To put in order; straighten up; clean. At camp the girls have to do up their own cabins. 2. To tie up or wrap. Joan asked the clerk to do up her purchases. 3a. To set and fasten (hair) in place. Grace helped her sister to do up her hair.
Compare: PUT UP. 3b. informal To dress or clothe. Suzie was done up in her fine new skirt and blouse.