Related Clues:

• Naughty deed
• Forbidden thing
• Custom
• Prohibition
• Propensity
• Jaywalking, e.g.
• Nun's wear
• Inadvisable action
• Rule breaker
• Eating peas with a knife, e.g.
• Dessert, say, to a dieter
• Dessert, to a dieter
• Fudge, e.g., to a dieter
• Verboten thing
• Dress