jazz up

verb3

1. •
   (informal) To make gaudy and bright.

   • I jazzed up my room with some new posters.
2. •
   (informal) To make more interesting by additions.

   • I jazzed up a supermarket pizza with olives and fried onions.
3. •
   (informal) To give a rhythm or melody reminiscent of jazz.

   • They played a jazzed-up version of the original song.