Related Clues:

• ''Very cool!''
• Impressive, to teens
• Inspiring fear
• "Totally cool!"
• Portentous
• Really cool
• 'Like, totally cool!'
• "Totally rad!"
• Impressive and then some
• Exceptionally good
• Magnificent, causing fear or wonder
• Very imposing, inspiring wonder
• Inspiring fear and wonder
• Overwhelming or dreadful to behold
• Inspiring fear and respect - or slangily excellent