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2. Flavin
Something cool or in.

Of good quality
Damn this party is flavin

Damn that boy is flavin

I like your shoes there flavin
1. flavin
Commonly used term by those who posses certain "Jerry Lewis-like" qualities*, usually found superfluously at the end of a sentence.

*ie. Professor Frink of The Simpsons.
Please don't be touching my machine or you could be causing us terribble pain with the Ouch, and the Flavin...
3. flavin
1. A water-soluble yellow pigment, including riboflavin (read the table of ingredients of any food you eat; chances are, you'll find it), found in plant and animal tissue as coenzymes of flavoprotein.
2. A ketone, C10H6N4O2, that gives color to various natural yellow pigments.
The chemist added flavin to his new concoction.
4. flavin
Reference to "Simpsons" character Professor Frink. Describes a geek who is socially mal-adjusted. Often possesing technical know how.
"Gee that flavin will never get laid...he should stay in his parent's basement."
5. flavin
yo dog dis is to be mad drinkin.
YO I'm flavin some krunk ass liquid.