It says that something is " piola " When it is clever, convenient, quiet, or any assessment fit you positive. The origin is in a regression of the word " Tweety " that is a " piola more thin " but as belongs to the lunfardo rioplatense it voice is modified on two resources: the dissimilation festive and the vesre. " Tweety " is the form vesrica of " clean " and among them delinquents, " be clean " means lack of records, not have entries in the police. Then, a Tweety ( later " a 34 piola; phonetic similarity with the chalk ) It is someone enough business to be not signed, and for not having police, if they stopped it on suspicion could be quiet since I was surely going to be released. From there the sense Pro that has the adjective.
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