Possible Clues:

• A bit of a bounder - a scallywag, a rogue
• Car's wrecked by a person unqualified to drive, a rogue
• Knave getting man to join old army corps
• Affectionate term for imp, ever a scallywag? Only partly
• A mischievous and maybe dishonest person
• Spanky, e.g.
• A naughty chap or bold boy
• Not a good Lascar
• Bit of a trouble-maker - a scallywag really
• That's the last of the brogue