Related Clues:

• Plenty
• 'Yikes!'
• 'Enough already!'
• 'Stop!'
• 'Cease and desist!'
• 'Cut that out!'
• 'Can it!'
• 'Stop it!'
• Middle of the quip, with 37-Across
• 'Quit it!'
• Amply
• 'Good grief!'
• Adequate
• Sufficient
• 'Oh, brother!'