doll up
doll up {v.}, {slang}
1. To dress in fine or fancy clothes.
The girls dolled up for the big school dance of the year.
The girls were all dolled up for the Christmas party.
2. To make more pretty or attractive.
The classrooms were all dolled up with Christmas decorations.
Compare: DECKED OUT.
Categories:
Source: A Dictionary of American Idioms