Related Clues:

• More than cool
• 90's kids' catchword
• 'Cool'
• Unit of 100 ergs per gram
• 'Out of sight!'
• Good, at the beach
• "Far out!" to a physicist?
• 'Totally tubular!'
• “Far out!”
• 'Awesome, dude!'
• 'Sweet!'
• 'Neato!', '90s-style
• 'Far out, dude!'
• Very cool
• Epic