Related Clues:

• Def
• '80s movie exclamation
• "Keen!"
• ''That's swell!''
• Unit of absorbed energy
• 'Fab!'
• "Like, totally ___"
• Energy-absorption unit
• 1986 BMX movie
• Groovy relative?
• 'Spiffy!'
• "Spiffy!"
• X-ray dosage unit
• "Marvy!"
• Totally tubular