Possible Clues:

• "Hoo" lead-in
• '____-hoo!'
• Designer Jenny
• Start of an attention-getting cry
• ___-Hoo (chocolate drink)
• "__-hoo! Over here!"
• With 57 Down, something to make you look
• '___-hoo!' ('Hello!')
• Greeting "-- -hoo!"
• '-- -hoo!' ('Hello!')