Related Clues:

• Exhilarated exclamation
• ''Gee, that's swell!''
• ''Rad!''
• Ducky
• 'Fantabulous!'
• Supercool
• ''Swell!''
• Nifty in the '50s
• "That's awesome!"
• ''Outta sight!''
• 44-Across, updated
• 'So cool!'
• Old slangy word of enthusiasm
• "Excellent!"
• Remark of approval