Related Clues:

• 'And pigs fly!'
• ___-haw
• Tee follower
• '___ Haw'
• 'Fat chance!'
• 'A likely story!'
• Giggling sound
• 'That'll show 'em!'
• 'Baloney!'
• Bray beginning
• E-mail guffaw
• 'Good one!'
• Laugh sound
• Tee follower?
• Bit of a bray