Possible Clues:

• Churlish
• Cheeky monkey, on fire we hear
• Bad-mannered male, Italian, entering bar after one
• Isle of Man domain respectful of such crude behaviour
• Unrefined brownie low in calories, having nothing filling
• Rude child, to lie deviously
• The setter's humourless, healthy and rude
• Having bad manners
• Trouble-maker having nothing, half-educated, loutish
• Independent person elected to lie badly, being insolent