Related Clues:

• 'Oh, uh-huh'
• Call off
• Hit the brakes
• Obstruct
• Fortuneteller's beginning
• 'Cut it out!'
• 'Quit it!'
• Cry of epiphany
• 'Oh ...'
• Ban
• 'Oh, that's what you mean'
• 'Of course'
• Organ knob
• Don't go on
• Comment after the fog clears