Related Clues:

• Plenty
• Gone
• 'Enough!'
• 'Enough already!'
• 'Stop!'
• 'Cease and desist!'
• 'Cut that out!'
• 'Can it!'
• 'That's enough!'
• 'Stop it!'
• Middle of the quip, with 37-Across
• 'Cut it out!'
• 'Quit it!'
• Amply
• Adequate