Related Clues:

• '-- -haw!' ('Whee!')
• '-- -haw (rodeo yell)!'
• Texter's chuckle
• Donkey syllable
• ''__-haw!'' (cowboy shout)
• Texter's giggle
• Shriek from Michael Jackson
• Giggle in an IM
• "Let us bray" beginning?
• -- -haw (donkey's sound)
• Haw lead-in
• Laugh line?
• Cry before 'haw'
• One-syllable laugh
• Part of a titter