The high, tight and firm ass achieved through vigorous jazzercise classes. Jazz ass is particularly sculpted during jazz squares, hops, plies and grapevine moves. Jazz ass may also be used to refer to the deep pain in the ass muscles following these activities.
"Wow that babe has a banging jazz ass!"
"I better have jazz ass after all the shit I had to do in that class".
"Oh my god I have painful jazz ass this week thanks to the new instructor".
by Gottalaughgirl November 24, 2013
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A way of describing a fatty ass that jiggles when a person walks.
Haha look at that jazz hands ass!
by Robin Everett August 10, 2006
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Slang term for a fart or farting.
A subgenre of jazz that combines improvisation and the expression of shit-flavored air.
They were blown away by the ass jazz concert!
by the definition circuit February 28, 2021
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music characterized by long, seemingly never-ending episodes of jarring, dissonant, screechy "music", with a particularly heavy use of horn instruments.

jazz that is "assy", using "ass" as an adjective
"Dont Fear The Reaper" can always use more cowbell, but one never needs more horn in ass jazz.

Guy: "That noise is setting my teeth on edge. What is it?"
Girl: "Oh, that's just the ass jazz show on college radio.

Aslo, a common phrase associated with ass jazz is, "make it stop!"
by Ed Melvinado March 19, 2010
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Unceasing diarrhea from subsequent food poisoning, over consumption of alcohol or general IBS (irritable bowel syndrome).
I ate some bad scallops when Ashley and I went to our favorite spot last night. I had ass jazz the entire next day.
by Psym0nSayz December 8, 2018
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