Related Clues:

• Plenty
• 'Stop!'
• 'Cease and desist!'
• 'Cut that out!'
• 'Can it!'
• 'Stop it!'
• Middle of the quip, with 37-Across
• 'Quit it!'
• Amply
• Adequate
• Sufficient
• 'Stop already!'
• 'No more!'
• 'I give!'
• 'Stop that!'