Related Clues:

• 'Terrif!'
• "Far out!" to a physicist?
• 'Totally tubular!'
• "Nifty!"
• Corner-office occupant
• 'Pretty amazing!'
• Like jazz musicians
• Like cool cats
• With it, '40s-style
• “Far out!”
• 'Awesome, dude!'
• Cool, in old slang
• Springsteen nickname
• 'Sweet!'
• 'Neato!', '90s-style