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1. A positive expression used by dorky people.
2. Sarcasm making fun of dorks who actually use the expression.
3. Used to indicate that the last thing said was uninteresting, uncool, or unintelligent.

Quoted by Donatello at the beginning of the first Teenage Mutant Ninja Turtles movie of the early 90's.
Stacy: The bad news is I got in a car accident. The good news is I found a free cd in the player of my rental car!

Bob: Bosa Nova!
by grace52775 November 19, 2010
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