Related Clues:

• 'Nope!'
• Dessert, say, to a dieter
• Slangy negative
• Dessert, to a dieter
• Fudge, e.g., to a dieter
• Verboten thing
• Ringo Starr's '___ Song'
• Something verboten
• Jumping a line, e.g.
• Denial for Nanette
• Verboten act
• Forbidden practice
• Bad thing to do
• Slurping at the dinner table, e.g.
• Echoing taboo