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...
by Ryan-michael Lindsay October 11, 2004
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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."
by gigglebiotch March 21, 2005
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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.
by Hoyvin-Mayvin June 8, 2005
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yo dog dis is to be mad drinkin.
YO I'm flavin some krunk ass liquid.
by dick wacker May 8, 2003
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Something cool or in.

Of good quality
Damn this party is flavin

Damn that boy is flavin

I like your shoes there flavin
by Paizly June 20, 2006
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1)Encompassment of the lackadasical-couldn't-give-a-toss mood often xperienced in times of low mental activity. general common-room behaviour.
2)The essence of greatness found in everyday things
1) buddy a: hey guyz, watcha doin just layin here?
buddy b: we're just TRENCH FLAVIN.
2)hey check out that cookie, dude those choc chips are TRENCH FLAVIN!. YOU BETTER RECOGNISE
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person: wots the greatest phrase ever?
other person: TRENCH FLAVIN, fucktard
by psyco freddo March 23, 2004
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