Related Clues:

• 'Ver-r-ry interesting!'
• 'That is sooooo cool!'
• "Aah" counterpart
• Partner of 55-Across
• Gasp at a fireworks show
• '___, I'm so scared! (not really)'
• ''Call on me!''
• Hall & Oates album "___ Yeah!"
• "Aah!" go-with
• "La-la" starter
• Five Stairsteps "___ Child" (hyph.)
• Chorus line syllable
• 'Man, that's pretty!'
• 'Intriguing!'
• Shout at a circus