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The feeling of desire to try a drug because of a small amount being accidently ingested i.e. coke dust travelling into the nasal cavity and creating a desire for said drug. You get a small whiff and become addicted.
Johnny can't stop doing coke after chopping up that brick last week. He wasn't careful to cover his nose; he should have known coke has that whiff appeal.

Money is also known to have whiff appeal. You get a little and after that you cannot stop craving it.
by dubiouscharacter February 16, 2011
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