Related Clues:

• 'That is so funny'
• 'Gotcha!'
• 'Yeah, right!'
• 8-Down sound
• See 1-Across
• '___ so!'
• Stimulate
• See 7-Down
• Sondheim's '___ While I'm Around'
• Joker's gibe
• See 44-Down
• 'Oh, very funny!'
• 'Aha!'
• Nabber's cry
• Loud laugh