scallywag

noun2

1. •
   (UK, informal) A badly behaved person, especially a child; a mischief-maker; a rascal

   • But Maore, a cheerful scallywag with a taste for the limelight, was made of more daring stuff. — 2009
2. •
   (disapproving, old-fashioned) A disreputable fellow, a good-for-nothing, a scapegrace, a blackguard