Also found in: Dictionary, Thesaurus, Encyclopedia.
To make something fancier, more festive, more exciting, etc., often through some form of adornment. I've decided to jazz up my wardrobe with some statement shoes and other funky accessories. You need to add some excitement your story—jazz it up a bit.
jazz someone or something up
to make someone or something more exciting or sexy; to make someone or something appeal more to contemporary tastes. Let's jazz this room up a little bit. They jazzed up Donna till she looked like a rock star.
1. Enliven, make more interesting, as in They jazzed up the living room with a new rug, or They decided to include a comedy act to jazz up the program.
2. Modify so as to increase its performance, as in Peter wanted to jazz up his motorbike with a stronger engine. Both usages are colloquialisms from the mid-1900s. Also see juice up.
To make something or someone appear more interesting; enliven something or someone: We jazzed up the apartment with beaded curtains. The caterer jazzed the tables up with candles.
1. mod. alert; having a positive state of mind. Those guys were jazzed and ready for the game.
2. mod. alcohol or drug intoxicated. Dave was a bit jazzed up, but not terribly.
3. mod. enhanced; with something added; having been made more enticing. It was jazzed enough to have the police chief around asking questions.
4. mod. forged or altered. (see also tinseled.) Better not try to cash a jazzed up check at this bank.