The British music group Clean Bandit take their name from the Russian 'чистый бандитка'. Grace Chatto, one of the band's members, says that a Russian lady used it to mean 'total rascal'. She mentions that it's not common slang, however:
"It is not actually a common phrase that Russians use," Grace explains. "There was a lady who was quite inventive with language who said it. And she described my sister as a 'clean bandit,' like, a 'total rascal.'"
The only mentions of 'чистый бандит' I can find are in relation to the band. Would an average Russian speaker understand 'чистый бандит(ка)' to mean something like 'total rascal'?