When someone is lying or blowing up something up bigger than what it is.
Person 1: "My one Pikachu sweeped an entire team of Mewtwo."
Person 2: "He get to jazzing it."
Person 1: "I stamp I'm not jazzing."
Person 2: "You always lying I swear you the King of Jazzing."
by H2OMudkip February 21, 2016
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Jazzing, in the late-1800s-early 1900s in the United States, used to be popular slang for sex.
Absolutely no Jazzing in the Champagne Room.
by Four-20 September 30, 2015
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Quote form a Kurt Vonnegut novel: 'I am sure looking forward to jazzing a high-class dame like you under the twin moons of mars. You're the only kind of dame I never had, and I'll bet your kind is the greatest. Love and kisses for a starter. Mal.
by soyroca March 31, 2010
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1. To partake in some kind of sexual activity, as in a Kurt Vonnegut novel.

2. To perform dangerous, high-speed, or otherwise extreme activities while listening to free-form jazz. Result: absolute euphoria.
1: I have a lot of homework to work on tonight...but I would much rather be jazzing some broad at a party.

2: Would you care to go jazz-boating this weekend? It's a sport where high-society freeform jazz meets Jackass, in which one swings from a pole on a speeding boat by a rope attached to the ankle while listening to Ornette Coleman through Sony MDR-XB700 headphones.
by TheHumbug January 10, 2012
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My roommate went into his room, pumped some sweet jazz, and was jazzing off all night.
by bravs November 14, 2014
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Chloe: I'm so frickin jazzed today

Ruby: why?

Chloe: I got a free taco 😫
by Spicysalt November 19, 2017
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