Possible Clues:

• Horrible child
• Badly-behaved child's underclothing beginning to tear
• Bart Simpson or Dennis the Menace, e.g
• Cricketer securing runs is an annoying young fellow
• Rascal runs into club
• Misbehaving youngster, intermittently aberrant
• Born informer annoys teacher
• Unruly little stinker
• Baby sitter's headache
• Brash young type runs into club