A slang phrase of affirmation, meaning "okay", "cool", and or "that's what I'm talkin' about!".
Man #1 - "Hey, we're gonna be late if we don't leave now. Where are you?"
Man #2 - "I'm outside. I just pulled into the driveway."
Man #3 - "Smooth Jazz."

Guy A - "How did the game go? Did you do anything special?
Guy B - "We won by one point. I hit the game-winner."
Guy A - "Smooth Jazz!"
by M. Bracey January 1, 2008
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an expression replacing "rly cool", "amaizing", "funky", "awesome", "great", ect.

do not use sparingly because if used right, this phrase can make people want to be your friend. just kidding, it cant do something like that cuz probobly no one wants to be your friend. your a loser. but saying this phrase will make you sound just the slightest bit cooler than u really are. 'nough said.

*WARNING* this phrase is comonly mistaken for something dirty
*real life conversation with the use of this phrase*

HANNAH: youre a silly-monster
ZACH: well.. if im a silly- monster, then youre a fun dinosaur
HANNAH: yaaayyyyy! but wait, can i be a fun dino-corn pweeaaseeeee??? cuz thats more SMOOTH JAZZ.
ZACH: fiiine
HANNAH: YUSSSS!!!
by fun dino-corn August 11, 2010
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