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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.
1. Fancier, more festive, more interesting, more exciting, etc. I know the girls want to spend a few hours getting jazzed up before we go out tonight. Your writing is solid, but the plot could stand to be jazzed up a bit.
2. slang Very excited, enthusiastic, or confident. I'm getting really jazzed up about moving to New York next month to start my master's degree! Everyone is pretty jazzed up about our chances at winning the championship this weekend.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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.
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
jazz someone/something up
tv. to make someone or something more exciting or sexy; to make someone or something appeal more to contemporary and youthful tastes. They jazzed up the old girl till she looked like a teenager.
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.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.