1. phrasal verb
Mary Ann had made an effort at jazzing up the chilly modern interiors.
I don't think they're just jazzing it up for the media.
2. phrasal verb
If someone jazzes up
a piece of music, they change it in order to make it sound more like popular
music or jazz.
Instead of playing it in the traditional style, she jazzed it up.
Stephen and I are going to jazz up the love songs.
The tune is basically the same as the old one, but considerably jazzed up.
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers